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+## v3.6.0
+
+### Bug Fixes
+
+* The Capabilities factory methods should only specify the name of the browser.
+* Protect against the remote end sometimes not returning a list to findElements
+  commands.
+* Properly reset state in `remote.DriverService#kill()`
+* The firefox module will no longer apply the preferences required by the legacy
+  FirefoxDriver. These preferences were only required when using the legacy
+  driver, support for which was dropped in v3.5.0.
+
+### API Changes
+
+* Added new methods to `selenium-webdriver/firefox.Options`:
+  - addArguments()
+  - headless()
+  - windowSize()
+* Deprecated `selenium-webdriver/firefox/binary.Binary`
+* Removed `selenium-webdriver/firefox.Options#useGeckoDriver()`
+* Removed the unused `selenium-webdriver/firefox/profile.decode()`
+* Removed methods from `selenium-webdriver/firefox/profile.Profile` that had
+  no effect since support for the legacy FirefoxDriver was dropped in 3.5.0:
+  - setNativeEventsEnabled
+  - nativeEventsEnabled
+  - getPort
+  - setPort
+* Removed `selenium-webdriver/firefox.ServiceBuilder#setFirefoxBinary()`; custom
+  binaries should be configured through the `firefox.Options` class.
+* Removed `selenium-webdriver/firefox.Capability`. These hold overs from the
+  legacy FirefoxDriver are no longer supported.
+
+### Changes for W3C WebDriver Spec Compliance
+
+* Deprecated `error.ElementNotVisibleError` in favor of the more generic
+  `error.ElementNotInteractableError`.
+* Support the `httpOnly` option when adding a cookie.
+
+
+## v3.5.0
+
+### Notice
+
+Native support for Firefox 45 (ESR) has been removed. Users will have to connect
+to a remote Selenium server that supports Firefox 45.
+
+### Changes
+
+* Removed native support for Firefox 46 and older.
+  - The `SELENIUM_MARIONETTE` enviornment variable no longer has an effect.
+  - `selenium-webdriver/firefox.Capability.MARIONETTE` is deprecated.
+  - `selenium-webdriver/firefox.Options#useGeckoDriver()` is deprecated and now a no-op.
+* `firefox.Options` will no longer discard the `"moz:firefoxOptions"` set in
+  user provided capabilities (via `Builder.withCapabilities({})`). When both
+  are used, the settings in `firefox.Options` will be applied _last_.
+* Added `chrome.Options#headless()` and `chrome.Options#windowSize()`, which
+  may be used to start Chrome in headless mode (requires Chrome 59+) and to set
+  the initial window size, respectively.
+
+
+### Changes for W3C WebDriver Spec Compliance
+
+* Added `error.WebDriverError#remoteStacktrace` to capture the stacktrace
+  reported by a remote WebDriver endpoint (if any).
+* Fixed `WebElement#sendKeys` to send text as a string instead of an array of
+  strings.
+
+## v3.4.0
+
+### Notice
+
+This release requires [geckodriver 0.15.0](https://github.com/mozilla/geckodriver/releases/tag/v0.15.0) or newer.
+
+### API Changes
+
+* Added `Options#getTimeouts()` for retrieving the currently configured session
+  timeouts (i.e. implicit wait). This method will only work with W3C compatible
+  WebDriver implementations.
+* Deprecated the `Timeouts` class in favor of `Options#setTimeouts()`, which
+  supports setting multiple timeouts at once.
+* Added support for emulating different network conditions (e.g., offline, 2G, WiFi) on Chrome.
+
+### Changes for W3C WebDriver Spec Compliance
+
+* Fixed W3C response parsing, which expects response data to always be a JSON
+  object with a `value` key.
+* Added W3C endpoints for interacting with various types of
+  [user prompts](https://w3c.github.io/webdriver/webdriver-spec.html#user-prompts).
+* Added W3C endpoints for remotely executing scripts.
+* Added W3C endpoints to get current window handle and all windows handles.
+
+
+## v3.3.0
+
+* Added warning log messages when the user creates new managed promises, or
+  schedules unchained tasks. Users may opt in to printing these log messages
+  with
+
+  ```js
+  const {logging} = require('selenium-webdriver');
+  logging.installConsoleHandler();
+  logging.getLogger('promise.ControlFlow').setLevel(logging.Level.WARNING);
+  ```
+* If the `JAVA_HOME` environment variable is set, use it to locate java.exe.
+
+
+## v3.2.0
+
+* Release skipped to stay in sync with the main Selenium project.
+
+
+## v3.1.0
+
+* The `lib` package is once again platform agnostic (excluding `lib/devmode`).
+* Deprecated `promise.when(value, callback, errback)`.
+  Use `promise.fulfilled(value).then(callback, errback)`
+* Changed `promise.fulfilled(value)`, `promise.rejected(reason)` and
+  `promise.defer()` to all use native promises when the promise manager is
+  disabled.
+* Properly handle W3C error responses to new session commands.
+* Updated `selenium-webdriver/testing` to export `describe.only` along with
+  `describe.skip`.
+* Fixed `selenium-webdriver/lib/until.ableToSwitchToFrame`. It was previously
+  dropping arguments and would never work.
+* Added the ability to use Firefox Nightly
+* If Firefox cannot be found in the default location, look for it on the PATH
+* Allow SafariDriver to use Safari Technology Preview.
+* Use the proper wire command for WebElement.getLocation() and
+  WebElement.getSize() for W3C compliant drivers.
+
+
+## v3.0.1
+
+* More API adjustments to align with native Promises
+  - Deprecated `promise.fulfilled(value)`, use `promise.Promise#resolve(value)`
+  - Deprecated `promise.rejected(reason)`, use `promise.Promise#reject(reason)`
+* When a `wait()` condition times out, the returned promise will now be
+  rejected with an `error.TimeoutError` instead of a generic `Error` object.
+* `WebDriver#wait()` will now throw a TypeError if an invalid wait condition is
+  provided.
+* Properly catch unhandled promise rejections with an action sequence (only
+  impacts when the promise manager is disabled).
+
+
+## v3.0.0
+
+* (__NOTICE__) The minimum supported version of Node is now 6.9.0 LTS
+* Removed support for the SafariDriver browser extension. This has been
+  replaced by Apple's safaridriver, which is included wtih Safari 10
+  (available on OS X El Capitan and macOS Sierra).
+
+  To use Safari 9 or older, users will have to use an older version of Selenium.
+
+* geckodriver v0.11.0 or newer is now required for Firefox.
+* Fixed potential reference errors in `selenium-webdriver/testing` when users
+  create a cycle with mocha by running with mocha's `--hook` flag.
+* Fixed `WebDriver.switchTo().activeElement()` to use the correct HTTP method
+  for compatibility with the W3C spec.
+* Update the `selenium-webdriver/firefox` module to use geckodriver's
+  "moz:firefoxOptions" dictionary for Firefox-specific configuration values.
+* Extending the `selenium-webdriver/testing` module to support tests defined
+  using generator functions.
+* The promise manager can be disabled by setting an enviornment variable:
+  `SELENIUM_PROMISE_MANAGER=0`. This is part of a larger plan to remove the
+  promise manager, as documented at
+  <https://github.com/SeleniumHQ/selenium/issues/2969>
+* When communicating with a W3C-compliant remote end, use the atoms library for
+  the `WebElement.getAttribute()` and `WebElement.isDisplayed()` commands. This
+  behavior is consistent with the java, .net, python, and ruby clients.
+
+
+### API Changes
+
+ * Removed `safari.Options#useLegacyDriver()`
+ * Reduced the API on `promise.Thenable` for compatibility with native promises:
+   - Removed `#isPending()`
+   - Removed `#cancel()`
+   - Removed `#finally()`
+ * Changed all subclasses of `webdriver.WebDriver` to overload the static
+   function `WebDriver.createSession()` instead of doing work in the
+   constructor. All constructors now inherit the base class' function signature.
+   Users are still encouraged to use the `Builder` class instead of creating
+   drivers directly.
+ * `Builder#build()` now returns a "thenable" WebDriver instance, allowing users
+   to immediately schedule commands (as before), or issue them through standard
+   promise callbacks. This is the same pattern already employed for WebElements.
+ * Removed `Builder#buildAsync()` as it was redundant with the new semantics of
+   `build()`.
+
+
+
+## v3.0.0-beta-3
+
+* Fixed a bug where the promise manager would silently drop callbacks after
+  recovering from an unhandled promise rejection.
+* Added the `firefox.ServiceBuilder` class, which may be used to customize the
+  geckodriver used for `firefox.Driver` instances.
+* Added support for Safari 10 safaridriver. safaridriver may be disabled
+  via tha API, `safari.Options#useLegacyDriver`, to use the safari
+  extension driver.
+* Updated the `lib/proxy` module to support configuring a SOCKS proxy.
+* For the `promise.ControlFlow`, fire the "uncaughtException" event in a new
+  turn of the JS event loop. As a result of this change, any errors thrown by
+  an event listener will propagate to the global error handler. Previously,
+  this event was fired with in the context of a (native) promise callback,
+  causing errors to be silently suppressed in the promise chain.
+
+### API Changes
+
+* Added `remote.DriverService.Builder` as a base class for configuring
+  DriverService instances that run in a child-process. The
+  `chrome.ServiceBuilder`, `edge.ServiceBuilder`, and `opera.ServiceBuilder`
+  classes now all extend this base class with browser-specific options.
+* For each of the ServiceBuilder clases, renamed `usingPort` and
+  `withEnvironment` to `setPort` and `setEnvironment`, respectively.
+* Renamed `chrome.ServiceBuilder#setUrlBasePath` to `#setPath`
+* Changed the signature of the `firefox.Driver` from `(config, flow, executor)`
+  to `(config, executor, flow)`.
+* Exposed the `Condition` and `WebElementCondition` classes from the top-level
+  `selenium-webdriver` module (these were previously only available from
+  `lib/webdriver`).
+
+
+### Changes for W3C WebDriver Spec Compliance
+
+* Updated command mappings for [getting](https://w3c.github.io/webdriver/webdriver-spec.html#get-window-position)
+  and [setting](https://w3c.github.io/webdriver/webdriver-spec.html#set-window-position)
+  the window position.
+
+
+## v3.0.0-beta-2
+
+### API Changes
+
+* Moved the `builder.Builder` class into the main module (`selenium-webdriver`).
+* Removed the `builder` module.
+* Fix `webdriver.WebDriver#setFileDetector` when driving Chrome or Firefox on a
+  remote machine.
+
+
+## v3.0.0-beta-1
+
+* Allow users to set the agent used for HTTP connections through
+   `builder.Builder#usingHttpAgent()`
+* Added new wait conditions: `until.urlIs()`, `until.urlContains()`,
+   `until.urlMatches()`
+* Added work around for [GeckoDriver bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1274924)
+   raising a type conversion error
+* Internal cleanup replacing uses of managed promises with native promises
+* Removed the mandatory use of Firefox Dev Edition, when using Marionette driver
+* Fixed timeouts' URL
+* Properly send HTTP requests when using a WebDriver server proxy
+* Properly configure proxies when using the geckodriver
+* `http.Executor` now accepts a promised client. The `builder.Builder` class
+  will now use this instead of a `command.DeferredExecutor` when creating
+  WebDriver instances.
+* For Chrome and Firefox, the `builder.Builder` class will always return an
+  instanceof `chrome.Driver` and `firefox.Driver`, respectively, even when
+  configured to use a remote server (from `builder.Builder#usingServer(url)`,
+  `SELENIUM_REMOTE_URL`, etc).
+
+### API Changes
+
+* `promise.Deferred` is no longer a thenable object.
+* `Options#addCookie()` now takes a record object instead of 7 individual
+  parameters. A TypeError will be thrown if addCookie() is called with invalid
+  arguments.
+* When adding cookies, the desired expiry must be provided as a Date or in
+  _seconds_ since epoch. When retrieving cookies, the expiration is always
+  returned in seconds.
+* Renamed `firefox.Options#useMarionette` to `firefox.Options#useGeckoDriver`
+* Removed deprecated modules:
+   - `selenium-webdriver/error` (use `selenium-webdriver/lib/error`,\
+     or the `error` property exported by `selenium-webdriver`)
+   - `selenium-webdriver/executors` — this was not previously deprecated, but
+     is no longer used.
+* Removed deprecated types:
+   - `command.DeferredExecutor` — this was not previously deprecated, but is no
+     longer used. It can be trivially implemented by clients should it be
+     needed.
+   - `error.InvalidSessionIdError` (use `error.NoSuchSessionError`)
+   - `executors.DeferredExecutor`
+   - `until.Condition` (use `webdriver.Condition`)
+   - `until.WebElementCondition` (use `webdriver.WebElementCondition`)
+   - `webdriver.UnhandledAlertError` (use `error.UnexpectedAlertOpenError`)
+* Removed deprecated functions:
+   - `Deferred#cancel()`
+   - `Deferred#catch()`
+   - `Deferred#finally()`
+   - `Deferred#isPending()`
+   - `Deferred#then()`
+   - `Promise#thenCatch()`
+   - `Promise#thenFinally()`
+   - `WebDriver#isElementPresent()`
+   - `WebElement#getInnerHtml()`
+   - `WebElement#getOuterHtml()`
+   - `WebElement#getRawId()`
+   - `WebElement#isElementPresent()`
+* Removed deprecated properties:
+   - `WebDriverError#code`
+
+
+## v2.53.2
+
+* Changed `io.exists()` to return a rejected promise if the input path is not
+   a string
+* Deprecated `Promise#thenFinally()` - use `Promise#finally()`. The thenFinally
+   shim added to the promise module in v2.53.0 will be removed in v3.0
+   Sorry for the churn!
+* FIXED: capabilities serialization now properly handles undefined vs.
+   false-like values.
+* FIXED: properly handle responses from the remote end in
+   `WebDriver.attachToSession`
+
+## v2.53.1
+
+* FIXED: for consistency with the other language bindings, `remote.FileDetector`
+    will ignore paths that refer to a directory.
+
+## v2.53.0
+
+### Change Summary
+
+* Added preliminary support for Marionette, Mozilla's WebDriver implementation
+   for Firefox. Marionette may be enabled via the API,
+   `firefox.Options#useMarionette`, or by setting the `SELENIUM_MARIONETTE`
+   environment variable.
+* Moved all logic for parsing and interpreting responses from the remote end
+   into the individual `command.Executor` implementations.
+* For consistency with the other Selenium language bindings,
+   `WebDriver#isElementPresent()` and `WebElement#isElementPresent()` have
+   been deprecated. These methods will be removed in v3.0. Use the findElements
+   command to test for the presence of an element:
+
+      driver.findElements(By.css('.foo')).then(found => !!found.length);
+* Added support for W3C-spec compliant servers.
+* For consistent naming, deprecating `error.InvalidSessionIdError` in favor of
+    `error.NoSuchSessionError`.
+* Moved the `error` module to `lib/error` so all core modules are co-located.
+   The top-level `error` module will be removed in v3.0.
+* Moved `until.Condition` and `until.WebElementCondition` to the webdriver
+   module to break a circular dependency.
+* Added support for setting the username and password in basic auth pop-up
+   dialogs (currently IE only).
+* Deprecated `WebElement#getInnerHtml()` and `WebEleemnt#getOuterHtml()`
+* Deprecated `Promise#thenCatch()` - use `Promise#catch()` instead
+* Deprecated `Promise#thenFinally()` - use `promise.thenFinally()` instead
+* FIXED: `io.findInPath()` will no longer match against directories that have
+   the same basename as the target file.
+* FIXED: `phantomjs.Driver` now takes a third argument that defines the path to
+   a log file to use for the phantomjs executable's output. This may be quickly
+   set at runtime with the `SELENIUM_PHANTOMJS_LOG` environment variable.
+
+### Changes for W3C WebDriver Spec Compliance
+
+* Changed `element.sendKeys(...)` to send the key sequence as an array where
+   each element defines a single key. The legacy wire protocol permits arrays
+   where each element is a string of arbitrary length. This change is solely
+   at the protocol level and should have no user-visible effect.
+
+
+## v2.52.0
+
+### Notice
+
+Starting with v2.52.0, each release of selenium-webdriver will support the
+latest _minor_ LTS and stable Node releases. All releases between the LTS and
+stable release will have best effort support. Further details are available in
+the selenium-webdriver package README.
+
+### Change Summary
+
+* Add support for Microsoft's Edge web browser
+* Added `webdriver.Builder#buildAsync()`, which returns a promise that will be
+    fulfilled with the newly created WebDriver instance once the associated
+    browser has been full initialized. This is purely a convenient alternative
+    to the existing build() method as the WebDriver class will always defer
+    commands until it has a fully created browser.
+* Added `firefox.Profile#setHost()` which may be used to set the host that
+    the FirefoxDriver's server listens for commands on. The server uses
+    "localhost" by default.
+* Added `promise.Promise#catch()` for API compatibility with native Promises.
+    `promise.Promise#thenCatch()` is not yet deprecated, but it simply
+    delegates to `catch`.
+* Changed some `io` operations to use native promises.
+* Changed `command.Executor#execute()` and `HttpClient#send()` to return
+    promises instead of using callback passing.
+* Replaced the `Serializable` class with an internal, Symbol-defined method.
+* Changed the `Capabilities` class to extend the native `Map` type.
+* Changed the `Capabilities.has(key)` to only test if a capability has been set
+    (Map semantics). To check whether the value is true, use `get(key)`.
+* Deprecated `executors.DeferredExecutor` in favor of
+    `lib/command.DeferredExecutor`.
+* API documentation is no longer distributed with the npm package, but remains
+    available at <http://seleniumhq.github.io/selenium/docs/api/javascript/>
+* Rewrote the `error` module to export an Error subtype for each type of error
+    defined in the [W3C WebDriver spec](https://w3c.github.io/webdriver/webdriver-spec.html#handling-errors).
+* Changed the `http.Request` and `http.Response` classes to store headers in
+    maps instead of object literals.
+* Updated `ws` dependency to version `1.0.1`.
+* Removed fluent predicates "is" and "not" from the experimental
+    `testing/assert` module.
+* Wait conditions that locate an element, or that wait on an element's state,
+    will return a WebElementPromise.
+* Lots of internal clean-up to break selenium-webdriver's long standing
+    dependency on Google's Closure library.
+
+### Changes for W3C WebDriver Spec Compliance
+
+* Updated the `By` locators that are not in the W3C spec to delegated to using
+    CSS selectors: `By.className`, `By.id`, `By.name`, and `By.tagName`.
+
+
+## v2.49-51
+
+* _Releases skipped to stay in sync with the rest of the Selenium project_
+
+
+## v2.48.2
+
+* Added `WebElement#takeScreenshot()`.
+* More adjustments to promise callback tracking.
+
+## v2.48.1
+
+* FIXED: Adjusted how the control flow tracks promise callbacks to avoid a
+    potential deadlock.
+
+## v2.48.0
+
+* Node v0.12.x users must run with --harmony. _This is the last release that
+    will support v0.12.x_
+* FIXED: (Promise/A+ compliance) When a promise is rejected with a thenable,
+    the promise adopts the thenable as its rejection reason instead of waiting
+    for it to settle. The previous (incorrect) behavior was hidden by bugs in
+    the `promises-aplus-tests` compliance test suite that were fixed in version
+    `2.1.1`.
+* FIXED: the `webdriver.promise.ControlFlow` now has a consistent execution
+    order for tasks/callbacks scheduled in different turns of the JS event loop.
+    Refer to the `webdriver.promise` documentation for more details.
+* FIXED: do not drop user auth from the WebDriver server URL.
+* FIXED: a single `firefox.Binary` instance may be used to configure and
+    launch multiple FirefoxDriver sessions.
+
+      var binary = new firefox.Binary();
+      var options = new firefox.Options().setBinary(binary);
+      var builder = new Builder().setFirefoxOptions(options);
+
+      var driver1 = builder.build();
+      var driver2 = builder.build();
+
+* FIXED: zip files created for transfer to a remote WebDriver server are no
+    longer compressed. If the zip contained a file that was already compressed,
+    the server would return an "invalid code lengths set" error.
+* FIXED: Surfaced the `loopback` option to `remote/SeleniumServer`. When set,
+    the server will be accessed using the current host's loopback address.
+
+## v2.47.0
+
+### Notice
+
+This is the last release for `selenium-webdriver` that will support ES5.
+Subsequent releases will depend on ES6 features that are enabled by
+[default](https://nodejs.org/en/docs/es6/) in Node v4.0.0. Node v0.12.x will
+continue to be supported, but will require setting the `--harmony` flag.
+
+### Change Summary
+
+* Add support for [Node v4.0.0](https://nodejs.org/en/blog/release/v4.0.0/)
+    * Updated `ws` dependency from `0.7.1` to `0.8.0`
+* Bumped the minimum supported version of Node from `0.10.x` to `0.12.x`. This
+    is in accordance with the Node support policy established in `v2.45.0`.
+
+## v2.46.1
+
+* Fixed internal module loading on Windows.
+* Fixed error message format on timeouts for `until.elementLocated()`
+    and `until.elementsLocated()`.
+
+## v2.46.0
+
+* Exposed a new logging API via the `webdriver.logging` module. For usage, see
+    `example/logging.js`.
+* Added support for using a proxy server for WebDriver commands.
+    See `Builder#usingWebDriverProxy()` for more info.
+* Removed deprecated functions:
+    * Capabilities#toJSON()
+    * UnhandledAlertError#getAlert()
+    * chrome.createDriver()
+    * phantomjs.createDriver()
+    * promise.ControlFlow#annotateError()
+    * promise.ControlFlow#await()
+    * promise.ControlFlow#clearHistory()
+    * promise.ControlFlow#getHistory()
+* Removed deprecated enum values: `ErrorCode.NO_MODAL_DIALOG_OPEN` and
+    `ErrorCode.MODAL_DIALOG_OPENED`. Use `ErrorCode.NO_SUCH_ALERT` and
+    `ErrorCode.UNEXPECTED_ALERT_OPEN`, respectively.
+* FIXED: The `promise.ControlFlow` will maintain state for promise chains
+    generated in a loop.
+* FIXED: Correct serialize target elements used in an action sequence.
+* FIXED: `promise.ControlFlow#wait()` now has consistent semantics for an
+    omitted or 0-timeout: it will wait indefinitely.
+* FIXED: `remote.DriverService#start()` will now fail if the child process dies
+    while waiting for the server to start accepting requests. Previously, start
+    would continue to poll the server address until the timeout expired.
+* FIXED: Skip launching Firefox with the `-silent` flag to preheat the profile.
+    Starting with Firefox 38, this would cause the browser to crash. This step,
+    which was first introduced for Selenium's java client back with Firefox 2,
+    no longer appears to be required.
+* FIXED: 8564: `firefox.Driver#quit()` will wait for the Firefox process to
+    terminate before deleting the temporary webdriver profile. This eliminates a
+    race condition where Firefox would write profile data during shutdown,
+    causing the `rm -rf` operation on the profile directory to fail.
+
+## v2.45.1
+
+* FIXED: 8548: Task callbacks are once again dropped if the task was cancelled
+    due to a previously uncaught error within the frame.
+* FIXED: 8496: Extended the `chrome.Options` API to cover all configuration
+    options (e.g. mobile emulation and performance logging) documented on the
+    ChromeDriver [project site](https://sites.google.com/a/chromium.org/chromedriver/capabilities).
+
+## v2.45.0
+
+### Important Policy Change
+
+Starting with the 2.45.0 release, selenium-webdriver will support the last
+two stable minor releases for Node. For 2.45.0, this means Selenium will
+support Node 0.10.x and 0.12.x. Support for the intermediate, un-stable release
+(0.11.x) is "best-effort". This policy will be re-evaluated once Node has a
+major version release (i.e. 1.0.0).
+
+### Change Summary
+
+* Added native browser support for Internet Explorer, Opera 26+, and Safari
+* With the release of [Node 0.12.0](http://blog.nodejs.org/2015/02/06/node-v0-12-0-stable/)
+    (finally!), the minimum supported version of Node is now `0.10.x`.
+* The `promise` module is now [Promises/A+](https://promisesaplus.com/)
+    compliant. The biggest compliance change is that promise callbacks are now
+    invoked in a future turn of the JS event loop. For example:
+
+        var promise = require('selenium-webdriver').promise;
+        console.log('start');
+        promise.fulfilled().then(function() {
+          console.log('middle');
+        });
+        console.log('end');
+
+        // Output in selenium-webdriver@2.44.0
+        // start
+        // middle
+        // end
+        //
+        // Output in selenium-webdriver@2.45.0
+        // start
+        // end
+        // middle
+
+    The `promise.ControlFlow` class has been updated to track the asynchronous
+    breaks required by Promises/A+, so there are no changes to task execution
+    order.
+* Updated how errors are annotated on failures. When a task fails, the
+    stacktrace from when that task was scheduled is appended to the rejection
+    reason with a `From: ` prefix (if it is an Error object). For example:
+
+        var driver = new webdriver.Builder().forBrowser('chrome').build();
+        driver.get('http://www.google.com/ncr');
+        driver.call(function() {
+          driver.wait(function() {
+            return driver.isElementPresent(webdriver.By.id('not-there'));
+          }, 2000, 'element not found');
+        });
+
+    This code will fail an error like:
+
+        Error: element not found
+        Wait timed out after 2002ms
+            at <stack trace>
+        From: Task: element not found
+            at <stack trace>
+        From: Task: WebDriver.call(function)
+            at <stack trace>
+
+* Changed the format of strings returned by `promise.ControlFlow#getSchedule`.
+    This function now accepts a boolean to control whether the returned string
+    should include the stacktraces for when each task was scheduled.
+* Deprecating `promise.ControlFlow#getHistory`,
+    `promise.ControlFlow#clearHistory`, and `promise.ControlFlow#annotateError`.
+    These functions were all intended for internal use and are no longer
+    necessary, so they have been made no-ops.
+* `WebDriver.wait()` may now be used to wait for a promise to resolve, with
+    an optional timeout. Refer to the API documentation for more information.
+* Added support for copying files to a remote Selenium via `sendKeys` to test
+    file uploads. Refer to the API documentation for more information. Sample
+    usage included in `test/upload_test.js`
+* Expanded the interactions API to include touch actions.
+    See `WebDriver.touchActions()`.
+* FIXED: 8380: `firefox.Driver` will delete its temporary profile on `quit`.
+* FIXED: 8306: Stack overflow in promise callbacks eliminated.
+* FIXED: 8221: Added support for defining custom command mappings. Includes
+    support for PhantomJS's `executePhantomJS` (requires PhantomJS 1.9.7 or
+    GhostDriver 1.1.0).
+* FIXED: 8128: When the FirefoxDriver marshals an object to the page for
+    `executeScript`, it defines additional properties (required by the driver's
+    implementation). These properties will no longer be enumerable and should
+    be omitted (i.e. they won't show up in JSON.stringify output).
+* FIXED: 8094: The control flow will no longer deadlock when a task returns
+    a promise that depends on the completion of sub-tasks.
+
+## v2.44.0
+
+* Added the `until` module, which defines common explicit wait conditions.
+    Sample usage:
+
+        var firefox = require('selenium-webdriver/firefox'),
+            until = require('selenium-webdriver/until');
+
+        var driver = new firefox.Driver();
+        driver.get('http://www.google.com/ncr');
+        driver.wait(until.titleIs('Google Search'), 1000);
+
+* FIXED: 8000: `Builder.forBrowser()` now accepts an empty string since some
+    WebDriver implementations ignore the value. A value must still be specified,
+    however, since it is a required field in WebDriver's wire protocol.
+* FIXED: 7994: The `stacktrace` module will not modify stack traces if the
+    initial parse fails (e.g. the user defined `Error.prepareStackTrace`)
+* FIXED: 5855: Added a module (`until`) that defines several common conditions
+    for use with explicit waits. See updated examples for usage.
+
+## v2.43.5
+
+* FIXED: 7905: `Builder.usingServer(url)` once again returns `this` for
+    chaining.
+
+## v2.43.2-4
+
+* No changes; version bumps while attempting to work around an issue with
+    publishing to npm (a version string may only be used once).
+
+## v2.43.1
+
+* Fixed an issue with flakiness when setting up the Firefox profile that could
+    prevent the driver from initializing properly.
+
+## v2.43.0
+
+* Added native support for Firefox - the Java Selenium server is no longer
+    required.
+* Added support for generator functions to `ControlFlow#execute` and
+    `ControlFlow#wait`. For more information, see documentation on
+    `webdriver.promise.consume`. Requires harmony support (run with
+    `node --harmony-generators` in `v0.11.x`).
+* Various improvements to the `Builder` API. Notably, the `build()` function
+    will no longer default to attempting to use a server at
+    `http://localhost:4444/wd/hub` if it cannot start a browser directly -
+    you must specify the WebDriver server with `usingServer(url)`. You can
+    also set the target browser and WebDriver server through a pair of
+    environment variables. See the documentation on the `Builder` constructor
+    for more information.
+* For consistency with the other language bindings, added browser specific
+    classes that can be used to start a browser without the builder.
+
+        var webdriver = require('selenium-webdriver')
+            chrome = require('selenium-webdriver/chrome');
+
+        // The following are equivalent.
+        var driver1 = new webdriver.Builder().forBrowser('chrome').build();
+        var driver2 = new chrome.Driver();
+
+* Promise A+ compliance: a promise may no longer resolve to itself.
+* For consistency with other language bindings, deprecated
+    `UnhandledAlertError#getAlert` and added `#getAlertText`.
+    `getAlert` will be removed in `2.45.0`.
+* FIXED: 7641: Deprecated `ErrorCode.NO_MODAL_DIALOG_OPEN` and
+    `ErrorCode.MODAL_DIALOG_OPENED` in favor of the new
+    `ErrorCode.NO_SUCH_ALERT` and `ErrorCode.UNEXPECTED_ALERT_OPEN`,
+    respectively.
+* FIXED: 7563: Mocha integration no longer disables timeouts. Default Mocha
+    timeouts apply (2000 ms) and may be changed using `this.timeout(ms)`.
+* FIXED: 7470: Make it easier to create WebDriver instances in custom flows for
+    parallel execution.
+
+## v2.42.1
+
+* FIXED: 7465: Fixed `net.getLoopbackAddress` on Windows
+* FIXED: 7277: Support `done` callback in Mocha's BDD interface
+* FIXED: 7156: `Promise#thenFinally` should not suppress original error
+
+## v2.42.0
+
+* Removed deprecated functions `Promise#addCallback()`,
+    `Promise#addCallbacks()`, `Promise#addErrback()`, and `Promise#addBoth()`.
+* Fail with a more descriptive error if the server returns a malformed redirect
+* FIXED: 7300: Connect to ChromeDriver using the loopback address since
+    ChromeDriver 2.10.267517 binds to localhost by default.
+* FIXED: 7339: Preserve wrapped test function's string representation for
+    Mocha's BDD interface.
+
+## v2.41.0
+
+* FIXED: 7138: export logging API from webdriver module.
+* FIXED: 7105: beforeEach/it/afterEach properly bind `this` for Mocha tests.
+
+## v2.40.0
+
+* API documentation is now included in the docs directory.
+* Added utility functions for working with an array of promises:
+    `promise.all`, `promise.map`, and `promise.filter`
+* Introduced `Promise#thenCatch()` and `Promise#thenFinally()`.
+* Deprecated `Promise#addCallback()`, `Promise#addCallbacks()`,
+    `Promise#addErrback()`, and `Promise#addBoth()`.
+* Removed deprecated function `webdriver.WebDriver#getCapability`.
+* FIXED: 6826: Added support for custom locators.
+
+## v2.39.0
+
+* Version bump to stay in sync with the Selenium project.
+
+## v2.38.1
+
+* FIXED: 6686: Changed `webdriver.promise.Deferred#cancel()` to silently no-op
+    if the deferred has already been resolved.
+
+## v2.38.0
+
+* When a promise is rejected, always annotate the stacktrace with the parent
+    flow state so users can identify the source of an error.
+* Updated tests to reflect features not working correctly in the SafariDriver
+    (cookie management and proxy support; see issues 5051, 5212, and 5503)
+* FIXED: 6284: For mouse moves, correctly omit the x/y offsets if not
+    specified as a function argument (instead of passing (0,0)).
+* FIXED: 6471: Updated documentation on `webdriver.WebElement#getAttribute`
+* FIXED: 6612: On Unix, use the default IANA ephemeral port range if unable to
+    retrieve the current system's port range.
+* FIXED: 6617: Avoid triggering the node debugger when initializing the
+    stacktrace module.
+* FIXED: 6627: Safely rebuild chrome.Options from a partial JSON spec.
+
+## v2.37.0
+
+* FIXED: 6346: The remote.SeleniumServer class now accepts JVM arguments using
+    the `jvmArgs` option.
+
+## v2.36.0
+
+* _Release skipped to stay in sync with main Selenium project._
+
+## v2.35.2
+
+* FIXED: 6200: Pass arguments to the Selenium server instead of to the JVM.
+
+## v2.35.1
+
+* FIXED: 6090: Changed example scripts to use chromedriver.
+
+## v2.35.0
+
+* Version bump to stay in sync with the Selenium project.
+
+## v2.34.1
+
+* FIXED: 6079: The parent process should not wait for spawn driver service
+    processes (chromedriver, phantomjs, etc.)
+
+## v2.34.0
+
+* Added the `selenium-webdriver/testing/assert` module. This module
+    simplifies writing assertions against promised values (see
+    example in module documentation).
+* Added the `webdriver.Capabilities` class.
+* Added native support for the ChromeDriver. When using the `Builder`,
+    requesting chrome without specifying a remote server URL will default to
+    the native ChromeDriver implementation.  The
+    [ChromeDriver server](https://code.google.com/p/chromedriver/downloads/list)
+    must be downloaded separately.
+
+        // Will start ChromeDriver locally.
+        var driver = new webdriver.Builder().
+            withCapabilities(webdriver.Capabilities.chrome()).
+            build();
+
+        // Will start ChromeDriver using the remote server.
+        var driver = new webdriver.Builder().
+            withCapabilities(webdriver.Capabilities.chrome()).
+            usingServer('http://server:1234/wd/hub').
+            build();
+
+* Added support for configuring proxies through the builder. For examples, see
+    `selenium-webdriver/test/proxy_test`.
+* Added native support for PhantomJS.
+* Changed signature of `SeleniumServer` to `SeleniumServer(jar, options)`.
+* Tests are now included in the npm published package. See `README.md` for
+    execution instructions
+* Removed the deprecated `webdriver.Deferred#resolve` and
+    `webdriver.promise.resolved` functions.
+* Removed the ability to connect to an existing session from the Builder. This
+    feature is intended for use with the browser-based client.
+
+## v2.33.0
+
+* Added support for WebDriver's logging API
+* FIXED: 5511: Added webdriver.manage().timeouts().pageLoadTimeout(ms)
+
+## v2.32.1
+
+* FIXED: 5541: Added missing return statement for windows in
+    `portprober.findFreePort()`
+
+## v2.32.0
+
+* Added the `selenium-webdriver/testing` package, which provides a basic
+    framework for writing tests using Mocha. See
+    `selenium-webdriver/example/google_search_test.js` for usage.
+* For Promises/A+ compatibility, backing out the change in 2.30.0 that ensured
+    rejections were always Error objects. Rejection reasons are now left as is.
+* Removed deprecated functions originally scheduled for removal in 2.31.0
+    * promise.Application.getInstance()
+    * promise.ControlFlow#schedule()
+    * promise.ControlFlow#scheduleTimeout()
+    * promise.ControlFlow#scheduleWait()
+* Renamed some functions for consistency with Promises/A+ terminology. The
+    original functions have been deprecated and will be removed in 2.34.0:
+    * promise.resolved() -> promise.fulfilled()
+    * promise.Deferred#resolve() -> promise.Deferred#fulfill()
+* FIXED: remote.SeleniumServer#stop now shuts down within the active control
+    flow, allowing scripts to finish. Use #kill to shutdown immediately.
+* FIXED: 5321: cookie deletion commands
+
+## v2.31.0
+
+* Added an example script.
+* Added a class for controlling the standalone Selenium server (server
+available separately)
+* Added a portprober for finding free ports
+* FIXED: WebElements now belong to the same flow as their parent driver.
+
+## v2.30.0
+
+* Ensures promise rejections are always Error values.
+* Version bump to keep in sync with the Selenium project.
+
+## v2.29.1
+
+* Fixed a bug that could lead to an infinite loop.
+* Added a README.md
+
+## v2.29.0
+
+* Initial release for npm:
+
+        npm install selenium-webdriver

node_modules/selenium-webdriver/LICENSE

@@ -0,0 +1,202 @@
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node_modules/selenium-webdriver/NOTICE

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+Copyright 2011-2017 Software Freedom Conservancy
+Copyright 2004-2011 Selenium committers

node_modules/selenium-webdriver/README.md

@@ -0,0 +1,226 @@
+# selenium-webdriver
+
+Selenium is a browser automation library. Most often used for testing
+web-applications, Selenium may be used for any task that requires automating
+interaction with the browser.
+
+## Installation
+
+Selenium may be installed via npm with
+
+    npm install selenium-webdriver
+
+You will need to download additional components to work with each of the major
+browsers. The drivers for Chrome, Firefox, PhantomJS, Opera, and
+Microsoft's IE and Edge web browsers are all standalone executables that should
+be placed on your system [PATH]. Apple's safaridriver is shipped with
+Safari 10 for OS X El Capitan and macOS Sierra. You will need to enable Remote
+Automation in the Develop menu of Safari 10 before testing.
+
+
+| Browser           | Component                          |
+| ----------------- | ---------------------------------- |
+| Chrome            | [chromedriver(.exe)][chrome]       |
+| Internet Explorer | [IEDriverServer.exe][release]      |
+| Edge              | [MicrosoftWebDriver.msi][edge]     |
+| Firefox           | [geckodriver(.exe)][geckodriver]   |
+| PhantomJS         | [phantomjs(.exe)][phantomjs]       |
+| Opera             | [operadriver(.exe)][opera]         |
+| Safari            | [safaridriver]                     |
+
+## Usage
+
+The sample below and others are included in the `example` directory. You may
+also find the tests for selenium-webdriver informative.
+
+    const {Builder, By, Key, until} = require('selenium-webdriver');
+
+    let driver = new Builder()
+        .forBrowser('firefox')
+        .build();
+
+    driver.get('http://www.google.com/ncr');
+    driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN);
+    driver.wait(until.titleIs('webdriver - Google Search'), 1000);
+    driver.quit();
+
+### Using the Builder API
+
+The `Builder` class is your one-stop shop for configuring new WebDriver
+instances. Rather than clutter your code with branches for the various browsers,
+the builder lets you set all options in one flow. When you call
+`Builder#build()`, all options irrelevant to the selected browser are dropped:
+
+    var webdriver = require('selenium-webdriver'),
+        chrome = require('selenium-webdriver/chrome'),
+        firefox = require('selenium-webdriver/firefox');
+
+    var driver = new webdriver.Builder()
+        .forBrowser('firefox')
+        .setChromeOptions(/* ... */)
+        .setFirefoxOptions(/* ... */)
+        .build();
+
+Why would you want to configure options irrelevant to the target browser? The
+`Builder`'s API defines your _default_ configuration. You can change the target
+browser at runtime through the `SELENIUM_BROWSER` environment variable. For
+example, the `example/google_search.js` script is configured to run against
+Firefox. You can run the example against other browsers just by changing the
+runtime environment
+
+    # cd node_modules/selenium-webdriver
+    node example/google_search
+    SELENIUM_BROWSER=chrome node example/google_search
+    SELENIUM_BROWSER=safari node example/google_search
+
+### The Standalone Selenium Server
+
+The standalone Selenium Server acts as a proxy between your script and the
+browser-specific drivers. The server may be used when running locally, but it's
+not recommend as it introduces an extra hop for each request and will slow
+things down. The server is required, however, to use a browser on a remote host
+(most browser drivers, like the IEDriverServer, do not accept remote
+connections).
+
+To use the Selenium Server, you will need to install the
+[JDK](http://www.oracle.com/technetwork/java/javase/downloads/index.html) and
+download the latest server from [Selenium][release]. Once downloaded, run the
+server with
+
+    java -jar selenium-server-standalone-2.45.0.jar
+
+You may configure your tests to run against a remote server through the Builder
+API:
+
+    var driver = new webdriver.Builder()
+        .forBrowser('firefox')
+        .usingServer('http://localhost:4444/wd/hub')
+        .build();
+
+Or change the Builder's configuration at runtime with the `SELENIUM_REMOTE_URL`
+environment variable:
+
+    SELENIUM_REMOTE_URL="http://localhost:4444/wd/hub" node script.js
+
+You can experiment with these options using the `example/google_search.js`
+script provided with `selenium-webdriver`.
+
+## Documentation
+
+API documentation is available online from the [Selenium project][api].
+Additional resources include
+
+- the #selenium channel on freenode IRC
+- the [selenium-users@googlegroups.com][users] list
+- [SeleniumHQ](http://www.seleniumhq.org/docs/) documentation
+
+## Contributing
+
+Contributions are accepted either through [GitHub][gh] pull requests or patches
+via the [Selenium issue tracker][issues]. You must sign our
+[Contributor License Agreement][cla] before your changes will be accepted.
+
+## Node Support Policy
+
+Each version of selenium-webdriver will support the latest _semver-minor_
+version of the [LTS] and stable Node releases. All _semver-major_ &
+_semver-minor_ versions between the LTS and stable release will have "best
+effort" support. Following a Selenium release, any _semver-minor_ Node releases
+will also have "best effort" support. Releases older than the latest LTS,
+_semver-major_ releases, and all unstable release branches (e.g. "v.Next")
+are considered strictly unsupported.
+
+For example, suppose the current LTS and stable releases are v6.9.5 and v7.5.0,
+respectively. Then a Selenium release would have the following support levels:
+
+| Version | Support       |
+| ------- | ------------- |
+| <= 6.8  | _unsupported_ |
+| 6.9     | supported     |
+| 7.0-4   | best effort   |
+| 7.5     | supported     |
+| >= 7.5  | best effort   |
+| v.Next  | _unsupported_ |
+
+### Support Level Definitions
+
+- _supported:_ A selenium-webdriver release will be API compatible with the
+    platform API, without the use of runtime flags.
+
+- _best effort:_ Bugs will be investigated as time permits. API compatibility is
+    only guaranteed where required by a _supported_ release. This effectively
+    means the adoption of new JS features, such as ES2015 modules, will depend
+    on what is supported in Node's LTS.
+
+- _unsupported:_ Bug submissions will be closed as will-not-fix and API
+    compatibility is not guaranteed.
+
+### Projected Support Schedule
+
+If Node releases a new [LTS] each October and a new major version every 6
+months, the support window for selenium-webdriver will be roughly:
+
+| Date      | LTS  | Stable |
+| --------- | ---: | -----: |
+| (current) |  6.9 |    7.5 |
+| 2017-04   |  6.0 |    8.0 |
+| 2017-10   |  8.0 |    9.0 |
+| 2018-04   |  8.0 |   10.0 |
+| 2018-10   | 10.0 |   11.0 |
+
+## Issues
+
+Please report any issues using the [Selenium issue tracker][issues]. When using
+the issue tracker
+
+- __Do__ include a detailed description of the problem.
+- __Do__ include a link to a [gist](http://gist.github.com/) with any
+    interesting stack traces/logs (you may also attach these directly to the bug
+    report).
+- __Do__ include a [reduced test case][reduction]. Reporting "unable to find
+    element on the page" is _not_ a valid report - there's nothing for us to
+    look into. Expect your bug report to be closed if you do not provide enough
+    information for us to investigate.
+- __Do not__ use the issue tracker to submit basic help requests. All help
+    inquiries should be directed to the [user forum][users] or #selenium IRC
+    channel.
+- __Do not__ post empty "I see this too" or "Any updates?" comments. These
+    provide no additional information and clutter the log.
+- __Do not__ report regressions on closed bugs as they are not actively
+    monitored for updates (especially bugs that are >6 months old). Please open a
+    new issue and reference the original bug in your report.
+
+## License
+
+Licensed to the Software Freedom Conservancy (SFC) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The SFC licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+
+[LTS]: https://github.com/nodejs/LTS
+[PATH]: http://en.wikipedia.org/wiki/PATH_%28variable%29
+[api]: http://seleniumhq.github.io/selenium/docs/api/javascript/module/selenium-webdriver/
+[cla]: http://goo.gl/qC50R
+[chrome]: http://chromedriver.storage.googleapis.com/index.html
+[gh]: https://github.com/SeleniumHQ/selenium/
+[issues]: https://github.com/SeleniumHQ/selenium/issues
+[opera]: https://github.com/operasoftware/operachromiumdriver/releases
+[phantomjs]: http://phantomjs.org/
+[edge]: http://go.microsoft.com/fwlink/?LinkId=619687
+[geckodriver]: https://github.com/mozilla/geckodriver/releases/
+[reduction]: http://www.webkit.org/quality/reduction.html
+[release]: http://selenium-release.storage.googleapis.com/index.html
+[users]: https://groups.google.com/forum/#!forum/selenium-users
+[safaridriver]: https://developer.apple.com/library/prerelease/content/releasenotes/General/WhatsNewInSafari/Articles/Safari_10_0.html#//apple_ref/doc/uid/TP40014305-CH11-DontLinkElementID_28

node_modules/selenium-webdriver/chrome.js

@@ -0,0 +1,829 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Defines a {@linkplain Driver WebDriver} client for the Chrome
+ * web browser. Before using this module, you must download the latest
+ * [ChromeDriver release] and ensure it can be found on your system [PATH].
+ *
+ * There are three primary classes exported by this module:
+ *
+ * 1. {@linkplain ServiceBuilder}: configures the
+ *     {@link selenium-webdriver/remote.DriverService remote.DriverService}
+ *     that manages the [ChromeDriver] child process.
+ *
+ * 2. {@linkplain Options}: defines configuration options for each new Chrome
+ *     session, such as which {@linkplain Options#setProxy proxy} to use,
+ *     what {@linkplain Options#addExtensions extensions} to install, or
+ *     what {@linkplain Options#addArguments command-line switches} to use when
+ *     starting the browser.
+ *
+ * 3. {@linkplain Driver}: the WebDriver client; each new instance will control
+ *     a unique browser session with a clean user profile (unless otherwise
+ *     configured through the {@link Options} class).
+ *
+ * __Headless Chrome__ <a id="headless"></a>
+ *
+ * To start Chrome in headless mode, simply call
+ * {@linkplain Options#headless Options.headless()}. Note, starting in headless
+ * mode currently also disables GPU acceleration.
+ *
+ *     let chrome = require('selenium-webdriver/chrome');
+ *     let {Builder} = require('selenium-webdriver');
+ *
+ *     let driver = new Builder()
+ *         .forBrowser('chrome')
+ *         .setChromeOptions(new chrome.Options().headless())
+ *         .build();
+ *
+ * __Customizing the ChromeDriver Server__ <a id="custom-server"></a>
+ *
+ * By default, every Chrome session will use a single driver service, which is
+ * started the first time a {@link Driver} instance is created and terminated
+ * when this process exits. The default service will inherit its environment
+ * from the current process and direct all output to /dev/null. You may obtain
+ * a handle to this default service using
+ * {@link #getDefaultService getDefaultService()} and change its configuration
+ * with {@link #setDefaultService setDefaultService()}.
+ *
+ * You may also create a {@link Driver} with its own driver service. This is
+ * useful if you need to capture the server's log output for a specific session:
+ *
+ *     let chrome = require('selenium-webdriver/chrome');
+ *
+ *     let service = new chrome.ServiceBuilder()
+ *         .loggingTo('/my/log/file.txt')
+ *         .enableVerboseLogging()
+ *         .build();
+ *
+ *     let options = new chrome.Options();
+ *     // configure browser options ...
+ *
+ *     let driver = chrome.Driver.createSession(options, service);
+ *
+ * Users should only instantiate the {@link Driver} class directly when they
+ * need a custom driver service configuration (as shown above). For normal
+ * operation, users should start Chrome using the
+ * {@link selenium-webdriver.Builder}.
+ *
+ * __Working with Android__ <a id="android"></a>
+ *
+ * The [ChromeDriver][android] supports running tests on the Chrome browser as
+ * well as [WebView apps][webview] starting in Android 4.4 (KitKat). In order to
+ * work with Android, you must first start the adb
+ *
+ *     adb start-server
+ *
+ * By default, adb will start on port 5037. You may change this port, but this
+ * will require configuring a [custom server](#custom-server) that will connect
+ * to adb on the {@linkplain ServiceBuilder#setAdbPort correct port}:
+ *
+ *     let service = new chrome.ServiceBuilder()
+ *         .setAdbPort(1234)
+ *         build();
+ *     // etc.
+ *
+ * The ChromeDriver may be configured to launch Chrome on Android using
+ * {@link Options#androidChrome()}:
+ *
+ *     let driver = new Builder()
+ *         .forBrowser('chrome')
+ *         .setChromeOptions(new chrome.Options().androidChrome())
+ *         .build();
+ *
+ * Alternatively, you can configure the ChromeDriver to launch an app with a
+ * Chrome-WebView by setting the {@linkplain Options#androidActivity
+ * androidActivity} option:
+ *
+ *     let driver = new Builder()
+ *         .forBrowser('chrome')
+ *         .setChromeOptions(new chrome.Options()
+ *             .androidPackage('com.example')
+ *             .androidActivity('com.example.Activity'))
+ *         .build();
+ *
+ * [Refer to the ChromeDriver site] for more information on using the
+ * [ChromeDriver with Android][android].
+ *
+ * [ChromeDriver]: https://sites.google.com/a/chromium.org/chromedriver/
+ * [ChromeDriver release]: http://chromedriver.storage.googleapis.com/index.html
+ * [PATH]: http://en.wikipedia.org/wiki/PATH_%28variable%29
+ * [android]: https://sites.google.com/a/chromium.org/chromedriver/getting-started/getting-started---android
+ * [webview]: https://developer.chrome.com/multidevice/webview/overview
+ */
+
+'use strict';
+
+const fs = require('fs');
+const util = require('util');
+
+const http = require('./http');
+const io = require('./io');
+const {Capabilities, Capability} = require('./lib/capabilities');
+const command = require('./lib/command');
+const logging = require('./lib/logging');
+const promise = require('./lib/promise');
+const Symbols = require('./lib/symbols');
+const webdriver = require('./lib/webdriver');
+const portprober = require('./net/portprober');
+const remote = require('./remote');
+
+
+/**
+ * Name of the ChromeDriver executable.
+ * @type {string}
+ * @const
+ */
+const CHROMEDRIVER_EXE =
+    process.platform === 'win32' ? 'chromedriver.exe' : 'chromedriver';
+
+
+/**
+ * Custom command names supported by ChromeDriver.
+ * @enum {string}
+ */
+const Command = {
+  LAUNCH_APP: 'launchApp',
+  GET_NETWORK_CONDITIONS: 'getNetworkConditions',
+  SET_NETWORK_CONDITIONS: 'setNetworkConditions'
+};
+
+
+/**
+ * Creates a command executor with support for ChromeDriver's custom commands.
+ * @param {!Promise<string>} url The server's URL.
+ * @return {!command.Executor} The new command executor.
+ */
+function createExecutor(url) {
+  let client = url.then(url => new http.HttpClient(url));
+  let executor = new http.Executor(client);
+  configureExecutor(executor);
+  return executor;
+}
+
+
+/**
+ * Configures the given executor with Chrome-specific commands.
+ * @param {!http.Executor} executor the executor to configure.
+ */
+function configureExecutor(executor) {
+  executor.defineCommand(
+      Command.LAUNCH_APP,
+      'POST',
+      '/session/:sessionId/chromium/launch_app');
+  executor.defineCommand(
+      Command.GET_NETWORK_CONDITIONS,
+      'GET',
+      '/session/:sessionId/chromium/network_conditions');
+  executor.defineCommand(
+      Command.SET_NETWORK_CONDITIONS,
+      'POST',
+      '/session/:sessionId/chromium/network_conditions');
+}
+
+
+/**
+ * Creates {@link selenium-webdriver/remote.DriverService} instances that manage
+ * a [ChromeDriver](https://sites.google.com/a/chromium.org/chromedriver/)
+ * server in a child process.
+ */
+class ServiceBuilder extends remote.DriverService.Builder {
+  /**
+   * @param {string=} opt_exe Path to the server executable to use. If omitted,
+   *     the builder will attempt to locate the chromedriver on the current
+   *     PATH.
+   * @throws {Error} If provided executable does not exist, or the chromedriver
+   *     cannot be found on the PATH.
+   */
+  constructor(opt_exe) {
+    let exe = opt_exe || io.findInPath(CHROMEDRIVER_EXE, true);
+    if (!exe) {
+      throw Error(
+          'The ChromeDriver could not be found on the current PATH. Please ' +
+          'download the latest version of the ChromeDriver from ' +
+          'http://chromedriver.storage.googleapis.com/index.html and ensure ' +
+          'it can be found on your PATH.');
+    }
+
+    super(exe);
+    this.setLoopback(true);  // Required
+  }
+
+  /**
+   * Sets which port adb is listening to. _The ChromeDriver will connect to adb
+   * if an {@linkplain Options#androidPackage Android session} is requested, but
+   * adb **must** be started beforehand._
+   *
+   * @param {number} port Which port adb is running on.
+   * @return {!ServiceBuilder} A self reference.
+   */
+  setAdbPort(port) {
+    return this.addArguments('--adb-port=' + port);
+  }
+
+  /**
+   * Sets the path of the log file the driver should log to. If a log file is
+   * not specified, the driver will log to stderr.
+   * @param {string} path Path of the log file to use.
+   * @return {!ServiceBuilder} A self reference.
+   */
+  loggingTo(path) {
+    return this.addArguments('--log-path=' + path);
+  }
+
+  /**
+   * Enables verbose logging.
+   * @return {!ServiceBuilder} A self reference.
+   */
+  enableVerboseLogging() {
+    return this.addArguments('--verbose');
+  }
+
+  /**
+   * Sets the number of threads the driver should use to manage HTTP requests.
+   * By default, the driver will use 4 threads.
+   * @param {number} n The number of threads to use.
+   * @return {!ServiceBuilder} A self reference.
+   */
+  setNumHttpThreads(n) {
+    return this.addArguments('--http-threads=' + n);
+  }
+
+  /**
+   * @override
+   */
+  setPath(path) {
+    super.setPath(path);
+    return this.addArguments('--url-base=' + path);
+  }
+}
+
+
+
+/** @type {remote.DriverService} */
+let defaultService = null;
+
+
+/**
+ * Sets the default service to use for new ChromeDriver instances.
+ * @param {!remote.DriverService} service The service to use.
+ * @throws {Error} If the default service is currently running.
+ */
+function setDefaultService(service) {
+  if (defaultService && defaultService.isRunning()) {
+    throw Error(
+        'The previously configured ChromeDriver service is still running. ' +
+        'You must shut it down before you may adjust its configuration.');
+  }
+  defaultService = service;
+}
+
+
+/**
+ * Returns the default ChromeDriver service. If such a service has not been
+ * configured, one will be constructed using the default configuration for
+ * a ChromeDriver executable found on the system PATH.
+ * @return {!remote.DriverService} The default ChromeDriver service.
+ */
+function getDefaultService() {
+  if (!defaultService) {
+    defaultService = new ServiceBuilder().build();
+  }
+  return defaultService;
+}
+
+
+const OPTIONS_CAPABILITY_KEY = 'chromeOptions';
+
+
+/**
+ * Class for managing ChromeDriver specific options.
+ */
+class Options {
+  constructor() {
+    /** @private {!Object} */
+    this.options_ = {};
+
+    /** @private {!Array<(string|!Buffer)>} */
+    this.extensions_ = [];
+
+    /** @private {?logging.Preferences} */
+    this.logPrefs_ = null;
+
+    /** @private {?./lib/capabilities.ProxyConfig} */
+    this.proxy_ = null;
+  }
+
+  /**
+   * Extracts the ChromeDriver specific options from the given capabilities
+   * object.
+   * @param {!Capabilities} caps The capabilities object.
+   * @return {!Options} The ChromeDriver options.
+   */
+  static fromCapabilities(caps) {
+    let options = new Options();
+
+    let o = caps.get(OPTIONS_CAPABILITY_KEY);
+    if (o instanceof Options) {
+      options = o;
+    } else if (o) {
+      options.
+          addArguments(o.args || []).
+          addExtensions(o.extensions || []).
+          detachDriver(o.detach).
+          excludeSwitches(o.excludeSwitches || []).
+          setChromeBinaryPath(o.binary).
+          setChromeLogFile(o.logPath).
+          setChromeMinidumpPath(o.minidumpPath).
+          setLocalState(o.localState).
+          setMobileEmulation(o.mobileEmulation).
+          setUserPreferences(o.prefs).
+          setPerfLoggingPrefs(o.perfLoggingPrefs);
+    }
+
+    if (caps.has(Capability.PROXY)) {
+      options.setProxy(caps.get(Capability.PROXY));
+    }
+
+    if (caps.has(Capability.LOGGING_PREFS)) {
+      options.setLoggingPrefs(
+          caps.get(Capability.LOGGING_PREFS));
+    }
+
+    return options;
+  }
+
+  /**
+   * Add additional command line arguments to use when launching the Chrome
+   * browser.  Each argument may be specified with or without the "--" prefix
+   * (e.g. "--foo" and "foo"). Arguments with an associated value should be
+   * delimited by an "=": "foo=bar".
+   *
+   * @param {...(string|!Array<string>)} args The arguments to add.
+   * @return {!Options} A self reference.
+   */
+  addArguments(...args) {
+    let newArgs = (this.options_.args || []).concat(...args);
+    if (newArgs.length) {
+      this.options_.args = newArgs;
+    }
+    return this;
+  }
+
+  /**
+   * Configures the chromedriver to start Chrome in headless mode.
+   *
+   * > __NOTE:__ Resizing the browser window in headless mode is only supported
+   * > in Chrome 60. Users are encouraged to set an initial window size with
+   * > the {@link #windowSize windowSize({width, height})} option.
+   *
+   * @return {!Options} A self reference.
+   */
+  headless() {
+    // TODO(jleyba): Remove `disable-gpu` once head Chrome no longer requires
+    // that to be set.
+    return this.addArguments('headless', 'disable-gpu');
+  }
+
+  /**
+   * Sets the initial window size.
+   *
+   * @param {{width: number, height: number}} size The desired window size.
+   * @return {!Options} A self reference.
+   * @throws {TypeError} if width or height is unspecified, not a number, or
+   *     less than or equal to 0.
+   */
+  windowSize({width, height}) {
+    function checkArg(arg) {
+      if (typeof arg !== 'number' || arg <= 0) {
+        throw TypeError('Arguments must be {width, height} with numbers > 0');
+      }
+    }
+    checkArg(width);
+    checkArg(height);
+    return this.addArguments(`window-size=${width},${height}`);
+  }
+
+  /**
+   * List of Chrome command line switches to exclude that ChromeDriver by default
+   * passes when starting Chrome.  Do not prefix switches with "--".
+   *
+   * @param {...(string|!Array<string>)} args The switches to exclude.
+   * @return {!Options} A self reference.
+   */
+  excludeSwitches(...args) {
+    let switches = (this.options_.excludeSwitches || []).concat(...args);
+    if (switches.length) {
+      this.options_.excludeSwitches = switches;
+    }
+    return this;
+  }
+
+  /**
+   * Add additional extensions to install when launching Chrome. Each extension
+   * should be specified as the path to the packed CRX file, or a Buffer for an
+   * extension.
+   * @param {...(string|!Buffer|!Array<(string|!Buffer)>)} args The
+   *     extensions to add.
+   * @return {!Options} A self reference.
+   */
+  addExtensions(...args) {
+    this.extensions_ = this.extensions_.concat(...args);
+    return this;
+  }
+
+  /**
+   * Sets the path to the Chrome binary to use. On Mac OS X, this path should
+   * reference the actual Chrome executable, not just the application binary
+   * (e.g. "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome").
+   *
+   * The binary path be absolute or relative to the chromedriver server
+   * executable, but it must exist on the machine that will launch Chrome.
+   *
+   * @param {string} path The path to the Chrome binary to use.
+   * @return {!Options} A self reference.
+   */
+  setChromeBinaryPath(path) {
+    this.options_.binary = path;
+    return this;
+  }
+
+  /**
+   * Sets whether to leave the started Chrome browser running if the controlling
+   * ChromeDriver service is killed before {@link webdriver.WebDriver#quit()} is
+   * called.
+   * @param {boolean} detach Whether to leave the browser running if the
+   *     chromedriver service is killed before the session.
+   * @return {!Options} A self reference.
+   */
+  detachDriver(detach) {
+    this.options_.detach = detach;
+    return this;
+  }
+
+  /**
+   * Sets the user preferences for Chrome's user profile. See the "Preferences"
+   * file in Chrome's user data directory for examples.
+   * @param {!Object} prefs Dictionary of user preferences to use.
+   * @return {!Options} A self reference.
+   */
+  setUserPreferences(prefs) {
+    this.options_.prefs = prefs;
+    return this;
+  }
+
+  /**
+   * Sets the logging preferences for the new session.
+   * @param {!logging.Preferences} prefs The logging preferences.
+   * @return {!Options} A self reference.
+   */
+  setLoggingPrefs(prefs) {
+    this.logPrefs_ = prefs;
+    return this;
+  }
+
+  /**
+   * Sets the performance logging preferences. Options include:
+   *
+   * - `enableNetwork`: Whether or not to collect events from Network domain.
+   * - `enablePage`: Whether or not to collect events from Page domain.
+   * - `enableTimeline`: Whether or not to collect events from Timeline domain.
+   *     Note: when tracing is enabled, Timeline domain is implicitly disabled,
+   *     unless `enableTimeline` is explicitly set to true.
+   * - `tracingCategories`: A comma-separated string of Chrome tracing
+   *     categories for which trace events should be collected. An unspecified
+   *     or empty string disables tracing.
+   * - `bufferUsageReportingInterval`: The requested number of milliseconds
+   *     between DevTools trace buffer usage events. For example, if 1000, then
+   *     once per second, DevTools will report how full the trace buffer is. If
+   *     a report indicates the buffer usage is 100%, a warning will be issued.
+   *
+   * @param {{enableNetwork: boolean,
+   *          enablePage: boolean,
+   *          enableTimeline: boolean,
+   *          tracingCategories: string,
+   *          bufferUsageReportingInterval: number}} prefs The performance
+   *     logging preferences.
+   * @return {!Options} A self reference.
+   */
+  setPerfLoggingPrefs(prefs) {
+    this.options_.perfLoggingPrefs = prefs;
+    return this;
+  }
+
+  /**
+   * Sets preferences for the "Local State" file in Chrome's user data
+   * directory.
+   * @param {!Object} state Dictionary of local state preferences.
+   * @return {!Options} A self reference.
+   */
+  setLocalState(state) {
+    this.options_.localState = state;
+    return this;
+  }
+
+  /**
+   * Sets the name of the activity hosting a Chrome-based Android WebView. This
+   * option must be set to connect to an [Android WebView](
+   * https://sites.google.com/a/chromium.org/chromedriver/getting-started/getting-started---android)
+   *
+   * @param {string} name The activity name.
+   * @return {!Options} A self reference.
+   */
+  androidActivity(name) {
+    this.options_.androidActivity = name;
+    return this;
+  }
+
+  /**
+   * Sets the device serial number to connect to via ADB. If not specified, the
+   * ChromeDriver will select an unused device at random. An error will be
+   * returned if all devices already have active sessions.
+   *
+   * @param {string} serial The device serial number to connect to.
+   * @return {!Options} A self reference.
+   */
+  androidDeviceSerial(serial) {
+    this.options_.androidDeviceSerial = serial;
+    return this;
+  }
+
+  /**
+   * Configures the ChromeDriver to launch Chrome on Android via adb. This
+   * function is shorthand for
+   * {@link #androidPackage options.androidPackage('com.android.chrome')}.
+   * @return {!Options} A self reference.
+   */
+  androidChrome() {
+    return this.androidPackage('com.android.chrome');
+  }
+
+  /**
+   * Sets the package name of the Chrome or WebView app.
+   *
+   * @param {?string} pkg The package to connect to, or `null` to disable Android
+   *     and switch back to using desktop Chrome.
+   * @return {!Options} A self reference.
+   */
+  androidPackage(pkg) {
+    this.options_.androidPackage = pkg;
+    return this;
+  }
+
+  /**
+   * Sets the process name of the Activity hosting the WebView (as given by
+   * `ps`). If not specified, the process name is assumed to be the same as
+   * {@link #androidPackage}.
+   *
+   * @param {string} processName The main activity name.
+   * @return {!Options} A self reference.
+   */
+  androidProcess(processName) {
+    this.options_.androidProcess = processName;
+    return this;
+  }
+
+  /**
+   * Sets whether to connect to an already-running instead of the specified
+   * {@linkplain #androidProcess app} instead of launching the app with a clean
+   * data directory.
+   *
+   * @param {boolean} useRunning Whether to connect to a running instance.
+   * @return {!Options} A self reference.
+   */
+  androidUseRunningApp(useRunning) {
+    this.options_.androidUseRunningApp = useRunning;
+    return this;
+  }
+
+  /**
+   * Sets the path to Chrome's log file. This path should exist on the machine
+   * that will launch Chrome.
+   * @param {string} path Path to the log file to use.
+   * @return {!Options} A self reference.
+   */
+  setChromeLogFile(path) {
+    this.options_.logPath = path;
+    return this;
+  }
+
+  /**
+   * Sets the directory to store Chrome minidumps in. This option is only
+   * supported when ChromeDriver is running on Linux.
+   * @param {string} path The directory path.
+   * @return {!Options} A self reference.
+   */
+  setChromeMinidumpPath(path) {
+    this.options_.minidumpPath = path;
+    return this;
+  }
+
+  /**
+   * Configures Chrome to emulate a mobile device. For more information, refer
+   * to the ChromeDriver project page on [mobile emulation][em]. Configuration
+   * options include:
+   *
+   * - `deviceName`: The name of a pre-configured [emulated device][devem]
+   * - `width`: screen width, in pixels
+   * - `height`: screen height, in pixels
+   * - `pixelRatio`: screen pixel ratio
+   *
+   * __Example 1: Using a Pre-configured Device__
+   *
+   *     let options = new chrome.Options().setMobileEmulation(
+   *         {deviceName: 'Google Nexus 5'});
+   *
+   *     let driver = chrome.Driver.createSession(options);
+   *
+   * __Example 2: Using Custom Screen Configuration__
+   *
+   *     let options = new chrome.Options().setMobileEmulation({
+   *         width: 360,
+   *         height: 640,
+   *         pixelRatio: 3.0
+   *     });
+   *
+   *     let driver = chrome.Driver.createSession(options);
+   *
+   *
+   * [em]: https://sites.google.com/a/chromium.org/chromedriver/mobile-emulation
+   * [devem]: https://developer.chrome.com/devtools/docs/device-mode
+   *
+   * @param {?({deviceName: string}|
+   *           {width: number, height: number, pixelRatio: number})} config The
+   *     mobile emulation configuration, or `null` to disable emulation.
+   * @return {!Options} A self reference.
+   */
+  setMobileEmulation(config) {
+    this.options_.mobileEmulation = config;
+    return this;
+  }
+
+  /**
+   * Sets the proxy settings for the new session.
+   * @param {./lib/capabilities.ProxyConfig} proxy The proxy configuration to
+   *    use.
+   * @return {!Options} A self reference.
+   */
+  setProxy(proxy) {
+    this.proxy_ = proxy;
+    return this;
+  }
+
+  /**
+   * Converts this options instance to a {@link Capabilities} object.
+   * @param {Capabilities=} opt_capabilities The capabilities to merge
+   *     these options into, if any.
+   * @return {!Capabilities} The capabilities.
+   */
+  toCapabilities(opt_capabilities) {
+    let caps = opt_capabilities || Capabilities.chrome();
+    caps.
+        set(Capability.PROXY, this.proxy_).
+        set(Capability.LOGGING_PREFS, this.logPrefs_).
+        set(OPTIONS_CAPABILITY_KEY, this);
+    return caps;
+  }
+
+  /**
+   * Converts this instance to its JSON wire protocol representation. Note this
+   * function is an implementation not intended for general use.
+   * @return {!Object} The JSON wire protocol representation of this instance.
+   */
+  [Symbols.serialize]() {
+    let json = {};
+    for (let key in this.options_) {
+      if (this.options_[key] != null) {
+        json[key] = this.options_[key];
+      }
+    }
+    if (this.extensions_.length) {
+      json.extensions = this.extensions_.map(function(extension) {
+        if (Buffer.isBuffer(extension)) {
+          return extension.toString('base64');
+        }
+        return io.read(/** @type {string} */(extension))
+            .then(buffer => buffer.toString('base64'));
+      });
+    }
+    return json;
+  }
+}
+
+
+/**
+ * Creates a new WebDriver client for Chrome.
+ */
+class Driver extends webdriver.WebDriver {
+
+  /**
+   * Creates a new session with the ChromeDriver.
+   *
+   * @param {(Capabilities|Options)=} opt_config The configuration options.
+   * @param {(remote.DriverService|http.Executor)=} opt_serviceExecutor Either
+   *     a  DriverService to use for the remote end, or a preconfigured executor
+   *     for an externally managed endpoint. If neither is provided, the
+   *     {@linkplain ##getDefaultService default service} will be used by
+   *     default.
+   * @param {promise.ControlFlow=} opt_flow The control flow to use, or `null`
+   *     to use the currently active flow.
+   * @return {!Driver} A new driver instance.
+   */
+  static createSession(opt_config, opt_serviceExecutor, opt_flow) {
+    let executor;
+    if (opt_serviceExecutor instanceof http.Executor) {
+      executor = opt_serviceExecutor;
+      configureExecutor(executor);
+    } else {
+      let service = opt_serviceExecutor || getDefaultService();
+      executor = createExecutor(service.start());
+    }
+
+    let caps =
+        opt_config instanceof Options ? opt_config.toCapabilities() :
+        (opt_config || Capabilities.chrome());
+
+    return /** @type {!Driver} */(
+        super.createSession(executor, caps, opt_flow));
+  }
+
+  /**
+   * This function is a no-op as file detectors are not supported by this
+   * implementation.
+   * @override
+   */
+  setFileDetector() {}
+
+  /**
+   * Schedules a command to launch Chrome App with given ID.
+   * @param {string} id ID of the App to launch.
+   * @return {!promise.Thenable<void>} A promise that will be resolved
+   *     when app is launched.
+   */
+  launchApp(id) {
+    return this.schedule(
+        new command.Command(Command.LAUNCH_APP).setParameter('id', id),
+        'Driver.launchApp()');
+  }
+
+  /**
+   * Schedules a command to get Chrome network emulation settings.
+   * @return {!promise.Thenable<T>} A promise that will be resolved
+   *     when network emulation settings are retrievied.
+   */
+  getNetworkConditions() {
+    return this.schedule(
+        new command.Command(Command.GET_NETWORK_CONDITIONS),
+        'Driver.getNetworkConditions()');
+  }
+
+  /**
+   * Schedules a command to set Chrome network emulation settings.
+   *
+   * __Sample Usage:__
+   *
+   *  driver.setNetworkConditions({
+   *    offline: false,
+   *    latency: 5, // Additional latency (ms).
+   *    download_throughput: 500 * 1024, // Maximal aggregated download throughput.
+   *    upload_throughput: 500 * 1024 // Maximal aggregated upload throughput.
+   * });
+   *
+   * @param {Object} spec Defines the network conditions to set
+   * @return {!promise.Thenable<void>} A promise that will be resolved
+   *     when network emulation settings are set.
+   */
+  setNetworkConditions(spec) {
+    if (!spec || typeof spec !== 'object') {
+      throw TypeError('setNetworkConditions called with non-network-conditions parameter');
+    }
+
+    return this.schedule(
+        new command.Command(Command.SET_NETWORK_CONDITIONS).setParameter('network_conditions', spec),
+        'Driver.setNetworkConditions(' + JSON.stringify(spec) + ')');
+  }
+}
+
+
+// PUBLIC API
+
+
+exports.Driver = Driver;
+exports.Options = Options;
+exports.ServiceBuilder = ServiceBuilder;
+exports.getDefaultService = getDefaultService;
+exports.setDefaultService = setDefaultService;

node_modules/selenium-webdriver/edge.js

@@ -0,0 +1,301 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Defines a {@linkplain Driver WebDriver} client for
+ * Microsoft's Edge web browser. Before using this module,
+ * you must download and install the latest
+ * [MicrosoftEdgeDriver](http://go.microsoft.com/fwlink/?LinkId=619687) server.
+ * Ensure that the MicrosoftEdgeDriver is on your
+ * [PATH](http://en.wikipedia.org/wiki/PATH_%28variable%29).
+ *
+ * There are three primary classes exported by this module:
+ *
+ * 1. {@linkplain ServiceBuilder}: configures the
+ *     {@link ./remote.DriverService remote.DriverService}
+ *     that manages the [MicrosoftEdgeDriver] child process.
+ *
+ * 2. {@linkplain Options}: defines configuration options for each new
+ *     MicrosoftEdgeDriver session, such as which
+ *     {@linkplain Options#setProxy proxy} to use when starting the browser.
+ *
+ * 3. {@linkplain Driver}: the WebDriver client; each new instance will control
+ *     a unique browser session.
+ *
+ * __Customizing the MicrosoftEdgeDriver Server__ <a id="custom-server"></a>
+ *
+ * By default, every MicrosoftEdge session will use a single driver service,
+ * which is started the first time a {@link Driver} instance is created and
+ * terminated when this process exits. The default service will inherit its
+ * environment from the current process.
+ * You may obtain a handle to this default service using
+ * {@link #getDefaultService getDefaultService()} and change its configuration
+ * with {@link #setDefaultService setDefaultService()}.
+ *
+ * You may also create a {@link Driver} with its own driver service. This is
+ * useful if you need to capture the server's log output for a specific session:
+ *
+ *     var edge = require('selenium-webdriver/edge');
+ *
+ *     var service = new edge.ServiceBuilder()
+ *         .setPort(55555)
+ *         .build();
+ *
+ *     var options = new edge.Options();
+ *     // configure browser options ...
+ *
+ *     var driver = edge.Driver.createSession(options, service);
+ *
+ * Users should only instantiate the {@link Driver} class directly when they
+ * need a custom driver service configuration (as shown above). For normal
+ * operation, users should start MicrosoftEdge using the
+ * {@link ./builder.Builder selenium-webdriver.Builder}.
+ *
+ * [MicrosoftEdgeDriver]: https://msdn.microsoft.com/en-us/library/mt188085(v=vs.85).aspx
+ */
+
+'use strict';
+
+const fs = require('fs'),
+    util = require('util');
+
+const http = require('./http'),
+    io = require('./io'),
+    capabilities = require('./lib/capabilities'),
+    promise = require('./lib/promise'),
+    Symbols = require('./lib/symbols'),
+    webdriver = require('./lib/webdriver'),
+    portprober = require('./net/portprober'),
+    remote = require('./remote');
+
+const EDGEDRIVER_EXE = 'MicrosoftWebDriver.exe';
+
+
+/**
+ * Option keys.
+ * @enum {string}
+ */
+const CAPABILITY_KEY = {
+  PAGE_LOAD_STRATEGY: 'pageLoadStrategy'
+};
+
+
+/**
+ * Class for managing MicrosoftEdgeDriver specific options.
+ */
+class Options {
+  constructor() {
+    /** @private {!Object} */
+    this.options_ = {};
+
+    /** @private {?capabilities.ProxyConfig} */
+    this.proxy_ = null;
+  }
+
+  /**
+   * Extracts the MicrosoftEdgeDriver specific options from the given
+   * capabilities object.
+   * @param {!capabilities.Capabilities} caps The capabilities object.
+   * @return {!Options} The MicrosoftEdgeDriver options.
+   */
+  static fromCapabilities(caps) {
+    var options = new Options();
+    var map = options.options_;
+
+    Object.keys(CAPABILITY_KEY).forEach(function(key) {
+      key = CAPABILITY_KEY[key];
+      if (caps.has(key)) {
+        map[key] = caps.get(key);
+      }
+    });
+
+    if (caps.has(capabilities.Capability.PROXY)) {
+      options.setProxy(caps.get(capabilities.Capability.PROXY));
+    }
+
+    return options;
+  }
+
+  /**
+   * Sets the proxy settings for the new session.
+   * @param {capabilities.ProxyConfig} proxy The proxy configuration to use.
+   * @return {!Options} A self reference.
+   */
+  setProxy(proxy) {
+    this.proxy_ = proxy;
+    return this;
+  }
+
+  /**
+   * Sets the page load strategy for Edge.
+   * Supported values are "normal", "eager", and "none";
+   *
+   * @param {string} pageLoadStrategy The page load strategy to use.
+   * @return {!Options} A self reference.
+   */
+  setPageLoadStrategy(pageLoadStrategy) {
+    this.options_[CAPABILITY_KEY.PAGE_LOAD_STRATEGY] =
+      pageLoadStrategy.toLowerCase();
+    return this;
+  }
+
+  /**
+   * Converts this options instance to a {@link capabilities.Capabilities}
+   * object.
+   * @param {capabilities.Capabilities=} opt_capabilities The capabilities to
+   *     merge these options into, if any.
+   * @return {!capabilities.Capabilities} The capabilities.
+   */
+  toCapabilities(opt_capabilities) {
+    var caps = opt_capabilities || capabilities.Capabilities.edge();
+    if (this.proxy_) {
+      caps.set(capabilities.Capability.PROXY, this.proxy_);
+    }
+    Object.keys(this.options_).forEach(function(key) {
+      caps.set(key, this.options_[key]);
+    }, this);
+    return caps;
+  }
+
+  /**
+   * Converts this instance to its JSON wire protocol representation. Note this
+   * function is an implementation not intended for general use.
+   * @return {{pageLoadStrategy: (string|undefined)}}
+   *   The JSON wire protocol representation of this instance.
+   */
+  [Symbols.serialize]() {
+    var json = {};
+    for (var key in this.options_) {
+      if (this.options_[key] != null) {
+        json[key] = this.options_[key];
+      }
+    }
+    return json;
+  }
+}
+
+
+/**
+ * Creates {@link remote.DriverService} instances that manage a
+ * MicrosoftEdgeDriver server in a child process.
+ */
+class ServiceBuilder extends remote.DriverService.Builder {
+  /**
+   * @param {string=} opt_exe Path to the server executable to use. If omitted,
+   *   the builder will attempt to locate the MicrosoftEdgeDriver on the current
+   *   PATH.
+   * @throws {Error} If provided executable does not exist, or the
+   *   MicrosoftEdgeDriver cannot be found on the PATH.
+   */
+  constructor(opt_exe) {
+    let exe = opt_exe || io.findInPath(EDGEDRIVER_EXE, true);
+    if (!exe) {
+      throw Error(
+        'The ' + EDGEDRIVER_EXE + ' could not be found on the current PATH. ' +
+        'Please download the latest version of the MicrosoftEdgeDriver from ' +
+        'https://www.microsoft.com/en-us/download/details.aspx?id=48212 and ' +
+        'ensure it can be found on your PATH.');
+    }
+
+    super(exe);
+
+    // Binding to the loopback address will fail if not running with
+    // administrator privileges. Since we cannot test for that in script
+    // (or can we?), force the DriverService to use "localhost".
+    this.setHostname('localhost');
+  }
+}
+
+
+/** @type {remote.DriverService} */
+var defaultService = null;
+
+
+/**
+ * Sets the default service to use for new MicrosoftEdgeDriver instances.
+ * @param {!remote.DriverService} service The service to use.
+ * @throws {Error} If the default service is currently running.
+ */
+function setDefaultService(service) {
+  if (defaultService && defaultService.isRunning()) {
+    throw Error(
+      'The previously configured EdgeDriver service is still running. ' +
+      'You must shut it down before you may adjust its configuration.');
+  }
+  defaultService = service;
+}
+
+
+/**
+ * Returns the default MicrosoftEdgeDriver service. If such a service has
+ * not been configured, one will be constructed using the default configuration
+ * for an MicrosoftEdgeDriver executable found on the system PATH.
+ * @return {!remote.DriverService} The default MicrosoftEdgeDriver service.
+ */
+function getDefaultService() {
+  if (!defaultService) {
+    defaultService = new ServiceBuilder().build();
+  }
+  return defaultService;
+}
+
+
+/**
+ * Creates a new WebDriver client for Microsoft's Edge.
+ */
+class Driver extends webdriver.WebDriver {
+  /**
+   * Creates a new browser session for Microsoft's Edge browser.
+   *
+   * @param {(capabilities.Capabilities|Options)=} opt_config The configuration
+   *     options.
+   * @param {remote.DriverService=} opt_service The session to use; will use
+   *     the {@linkplain #getDefaultService default service} by default.
+   * @param {promise.ControlFlow=} opt_flow The control flow to use, or
+   *     {@code null} to use the currently active flow.
+   * @return {!Driver} A new driver instance.
+   */
+  static createSession(opt_config, opt_service, opt_flow) {
+    var service = opt_service || getDefaultService();
+    var client = service.start().then(url => new http.HttpClient(url));
+    var executor = new http.Executor(client);
+
+    var caps =
+        opt_config instanceof Options ? opt_config.toCapabilities() :
+        (opt_config || capabilities.Capabilities.edge());
+
+    return /** @type {!Driver} */(super.createSession(
+        executor, caps, opt_flow, () => service.kill()));
+  }
+
+  /**
+   * This function is a no-op as file detectors are not supported by this
+   * implementation.
+   * @override
+   */
+  setFileDetector() {}
+}
+
+
+// PUBLIC API
+
+
+exports.Driver = Driver;
+exports.Options = Options;
+exports.ServiceBuilder = ServiceBuilder;
+exports.getDefaultService = getDefaultService;
+exports.setDefaultService = setDefaultService;

node_modules/selenium-webdriver/example/chrome_android.js

@@ -0,0 +1,42 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview A basic example of working with Chrome on Android. Before
+ * running this example, you must start adb and connect a device (or start an
+ * AVD).
+ */
+
+'use strict';
+
+const {Builder, By, Key, promise, until} = require('..');
+const {Options} = require('../chrome');
+
+promise.consume(function* () {
+  let driver;
+  try {
+    driver = yield new Builder()
+        .forBrowser('chrome')
+        .setChromeOptions(new Options().androidChrome())
+        .build();
+    yield driver.get('http://www.google.com/ncr');
+    yield driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN);
+    yield driver.wait(until.titleIs('webdriver - Google Search'), 1000);
+  } finally {
+    yield driver && driver.quit();
+  }
+}).then(_ => console.log('SUCCESS'), err => console.error('ERROR: ' + err));

node_modules/selenium-webdriver/example/chrome_mobile_emulation.js

@@ -0,0 +1,42 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview This is an example of emulating a mobile device using the
+ * ChromeDriver.
+ */
+
+'use strict';
+
+const {Builder, By, Key, promise, until} = require('..');
+const {Options} = require('../chrome');
+
+promise.consume(function* () {
+  let driver;
+  try {
+    driver = yield new Builder()
+        .forBrowser('chrome')
+        .setChromeOptions(
+            new Options().setMobileEmulation({deviceName: 'Nexus 5X'}))
+        .build();
+    yield driver.get('http://www.google.com/ncr');
+    yield driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN);
+    yield driver.wait(until.titleIs('webdriver - Google Search'), 1000);
+  } finally {
+    yield driver && driver.quit();
+  }
+}).then(_ => console.log('SUCCESS'), err => console.error('ERROR: ' + err));

node_modules/selenium-webdriver/example/google_search.js

@@ -0,0 +1,50 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview An example WebDriver script.
+ *
+ * Before running this script, ensure that Mozilla's geckodriver is present on
+ * your system PATH: <https://github.com/mozilla/geckodriver/releases>
+ *
+ * Usage:
+ *   // Default behavior
+ *   node selenium-webdriver/example/google_search.js
+ *
+ *   // Target Chrome locally; the chromedriver must be on your PATH
+ *   SELENIUM_BROWSER=chrome node selenium-webdriver/example/google_search.js
+ *
+ *   // Use a local copy of the standalone Selenium server
+ *   SELENIUM_SERVER_JAR=/path/to/selenium-server-standalone.jar \
+ *     node selenium-webdriver/example/google_search.js
+ *
+ *   // Target a remote Selenium server
+ *   SELENIUM_REMOTE_URL=http://www.example.com:4444/wd/hub \
+ *     node selenium-webdriver/example/google_search.js
+ */
+
+const {Builder, By, Key, until} = require('..');
+
+var driver = new Builder()
+    .forBrowser('firefox')
+    .build();
+
+driver.get('http://www.google.com/ncr')
+    .then(_ =>
+        driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN))
+    .then(_ => driver.wait(until.titleIs('webdriver - Google Search'), 1000))
+    .then(_ => driver.quit());

node_modules/selenium-webdriver/example/google_search_generator.js

@@ -0,0 +1,47 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview An example WebDriver script using generator functions.
+ *
+ * Before running this script, ensure that Mozilla's geckodriver is present on
+ * your system PATH: <https://github.com/mozilla/geckodriver/releases>
+ *
+ * Usage:
+ *
+ *     node selenium-webdriver/example/google_search_generator.js
+ */
+
+'use strict';
+
+const {Builder, By, Key, promise, until} = require('..');
+
+promise.consume(function* () {
+  let driver;
+  try {
+    driver = yield new Builder().forBrowser('firefox').build();
+
+    yield driver.get('http://www.google.com/ncr');
+
+    let q = yield driver.findElement(By.name('q'));
+    yield q.sendKeys('webdriver', Key.RETURN);
+
+    yield driver.wait(until.titleIs('webdriver - Google Search'), 1000);
+  } finally {
+    yield driver && driver.quit();
+  }
+}).then(_ => console.log('SUCCESS'), err => console.error('ERROR: ' + err));

node_modules/selenium-webdriver/example/google_search_test.js

@@ -0,0 +1,60 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview An example test that may be run using Mocha.
+ *
+ * Usage:
+ *
+ *     mocha -t 10000 selenium-webdriver/example/google_search_test.js
+ *
+ * You can change which browser is started with the SELENIUM_BROWSER environment
+ * variable:
+ *
+ *     SELENIUM_BROWSER=chrome \
+ *         mocha -t 10000 selenium-webdriver/example/google_search_test.js
+ */
+
+const {Builder, By, Key, until} = require('..');
+const test = require('../testing');
+
+test.describe('Google Search', function() {
+  let driver;
+
+  test.before(function *() {
+    driver = yield new Builder().forBrowser('firefox').build();
+  });
+
+  // You can write tests either using traditional promises.
+  it('works with promises', function() {
+    return driver.get('http://www.google.com/ncr')
+        .then(_ =>
+            driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN))
+        .then(_ => driver.wait(until.titleIs('webdriver - Google Search'), 1000));
+  });
+
+  // Or you can define the test as a generator function. The test will wait for
+  // any yielded promises to resolve before invoking the next step in the
+  // generator.
+  test.it('works with generators', function*() {
+    yield driver.get('http://www.google.com/ncr');
+    yield driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN);
+    yield driver.wait(until.titleIs('webdriver - Google Search'), 1000);
+  });
+
+  test.after(() => driver.quit());
+});

node_modules/selenium-webdriver/example/logging.js

@@ -0,0 +1,35 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Demonstrates how to use WebDriver's logging sysem.
+ */
+
+'use strict';
+
+const {Builder, By, Key, logging, until} = require('..');
+
+logging.installConsoleHandler();
+logging.getLogger('webdriver.http').setLevel(logging.Level.ALL);
+
+var driver = new Builder().forBrowser('firefox').build();
+
+driver.get('http://www.google.com/ncr')
+    .then(_ =>
+        driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN))
+    .then(_ => driver.wait(until.titleIs('webdriver - Google Search'), 1000))
+    .then(_ => driver.quit());

node_modules/selenium-webdriver/example/parallel_flows.js

@@ -0,0 +1,51 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview An example of starting multiple WebDriver clients that run
+ * in parallel in separate control flows.
+ *
+ * This example will only work when the promise manager is enabled
+ * (see <https://github.com/SeleniumHQ/selenium/issues/2969>).
+ */
+
+const {Builder, By, Key, promise, until} = require('..');
+
+for (var i = 0; i < 3; i++) {
+  (function(n) {
+    var flow = new promise.ControlFlow()
+        .on('uncaughtException', function(e) {
+          console.log('uncaughtException in flow %d: %s', n, e);
+        });
+
+    var driver = new Builder().
+        forBrowser('firefox').
+        setControlFlow(flow).  // Comment out this line to see the difference.
+        build();
+
+    // Position and resize window so it's easy to see them running together.
+    driver.manage().window().setSize(600, 400);
+    driver.manage().window().setPosition(300 * i, 400 * i);
+
+    driver.get('http://www.google.com');
+    driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN);
+    driver.wait(until.titleIs('webdriver - Google Search'), 1000);
+
+    driver.quit();
+  })(i);
+}
+

node_modules/selenium-webdriver/firefox/binary.js

@@ -0,0 +1,347 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Manages Firefox binaries. This module is considered internal;
+ * users should use {@link ./firefox selenium-webdriver/firefox}.
+ */
+
+'use strict';
+
+const child = require('child_process'),
+    fs = require('fs'),
+    path = require('path'),
+    util = require('util');
+
+const isDevMode = require('../lib/devmode'),
+    Symbols = require('../lib/symbols'),
+    io = require('../io'),
+    exec = require('../io/exec');
+
+
+
+/** @const */
+const NO_FOCUS_LIB_X86 = isDevMode ?
+    path.join(__dirname, '../../../../cpp/prebuilt/i386/libnoblur.so') :
+    path.join(__dirname, '../lib/firefox/i386/libnoblur.so') ;
+
+/** @const */
+const NO_FOCUS_LIB_AMD64 = isDevMode ?
+    path.join(__dirname, '../../../../cpp/prebuilt/amd64/libnoblur64.so') :
+    path.join(__dirname, '../lib/firefox/amd64/libnoblur64.so') ;
+
+const X_IGNORE_NO_FOCUS_LIB = 'x_ignore_nofocus.so';
+
+
+/**
+ * @param {string} file Path to the file to find, relative to the program files
+ *     root.
+ * @return {!Promise<?string>} A promise for the located executable.
+ *     The promise will resolve to {@code null} if Firefox was not found.
+ */
+function findInProgramFiles(file) {
+  let files = [
+    process.env['PROGRAMFILES'] || 'C:\\Program Files',
+    process.env['PROGRAMFILES(X86)'] || 'C:\\Program Files (x86)'
+  ].map(prefix => path.join(prefix, file));
+  return io.exists(files[0]).then(function(exists) {
+    return exists ? files[0] : io.exists(files[1]).then(function(exists) {
+      return exists ? files[1] : null;
+    });
+  });
+}
+
+
+/**
+ * Provides methods for locating the executable for a Firefox release channel
+ * on Windows and MacOS. For other systems (i.e. Linux), Firefox will always
+ * be located on the system PATH.
+ *
+ * @final
+ */
+class Channel {
+  /**
+   * @param {string} darwin The path to check when running on MacOS.
+   * @param {string} win32 The path to check when running on Windows.
+   */
+  constructor(darwin, win32) {
+    /** @private @const */ this.darwin_ = darwin;
+    /** @private @const */ this.win32_ = win32;
+    /** @private {Promise<string>} */
+    this.found_ = null;
+  }
+
+  /**
+   * Attempts to locate the Firefox executable for this release channel. This
+   * will first check the default installation location for the channel before
+   * checking the user's PATH. The returned promise will be rejected if Firefox
+   * can not be found.
+   *
+   * @return {!Promise<string>} A promise for the location of the located
+   *     Firefox executable.
+   */
+  locate() {
+    if (this.found_) {
+      return this.found_;
+    }
+
+    let found;
+    switch (process.platform) {
+      case 'darwin':
+        found = io.exists(this.darwin_)
+            .then(exists => exists ? this.darwin_ : io.findInPath('firefox'));
+        break;
+
+      case 'win32':
+        found = findInProgramFiles(this.win32_)
+            .then(found => found || io.findInPath('firefox.exe'));
+        break;
+
+      default:
+        found = Promise.resolve(io.findInPath('firefox'));
+        break;
+    }
+
+    this.found_ = found.then(found => {
+      if (found) {
+        // TODO: verify version info.
+        return found;
+      }
+      throw Error('Could not locate Firefox on the current system');
+    });
+    return this.found_;
+  }
+}
+
+
+/**
+ * Firefox's developer channel.
+ * @const
+ * @see <https://www.mozilla.org/en-US/firefox/channel/desktop/#aurora>
+ */
+Channel.AURORA = new Channel(
+  '/Applications/FirefoxDeveloperEdition.app/Contents/MacOS/firefox-bin',
+  'Firefox Developer Edition\\firefox.exe');
+
+/**
+ * Firefox's beta channel. Note this is provided mainly for convenience as
+ * the beta channel has the same installation location as the main release
+ * channel.
+ * @const
+ * @see <https://www.mozilla.org/en-US/firefox/channel/desktop/#beta>
+ */
+Channel.BETA = new Channel(
+  '/Applications/Firefox.app/Contents/MacOS/firefox-bin',
+  'Mozilla Firefox\\firefox.exe');
+
+/**
+ * Firefox's release channel.
+ * @const
+ * @see <https://www.mozilla.org/en-US/firefox/desktop/>
+ */
+Channel.RELEASE = new Channel(
+  '/Applications/Firefox.app/Contents/MacOS/firefox-bin',
+  'Mozilla Firefox\\firefox.exe');
+
+/**
+ * Firefox's nightly release channel.
+ * @const
+ * @see <https://www.mozilla.org/en-US/firefox/channel/desktop/#nightly>
+ */
+Channel.NIGHTLY = new Channel(
+  '/Applications/FirefoxNightly.app/Contents/MacOS/firefox-bin',
+  'Nightly\\firefox.exe');
+
+
+/**
+ * Copies the no focus libs into the given profile directory.
+ * @param {string} profileDir Path to the profile directory to install into.
+ * @return {!Promise<string>} The LD_LIBRARY_PATH prefix string to use
+ *     for the installed libs.
+ */
+function installNoFocusLibs(profileDir) {
+  var x86 = path.join(profileDir, 'x86');
+  var amd64 = path.join(profileDir, 'amd64');
+
+  return io.mkdir(x86)
+      .then(() => copyLib(NO_FOCUS_LIB_X86, x86))
+      .then(() => io.mkdir(amd64))
+      .then(() => copyLib(NO_FOCUS_LIB_AMD64, amd64))
+      .then(function() {
+        return x86 + ':' + amd64;
+      });
+
+  function copyLib(src, dir) {
+    return io.copy(src, path.join(dir, X_IGNORE_NO_FOCUS_LIB));
+  }
+}
+
+
+/**
+ * Provides a mechanism to configure and launch Firefox in a subprocess for
+ * use with WebDriver.
+ *
+ * If created _without_ a path for the Firefox binary to use, this class will
+ * attempt to find Firefox when {@link #launch()} is called. For MacOS and
+ * Windows, this class will look for Firefox in the current platform's default
+ * installation location (e.g. /Applications/Firefox.app on MacOS). For all
+ * other platforms, the Firefox executable must be available on your system
+ * `PATH`.
+ *
+ * @final
+ * @deprecated This class will be removed in 4.0. Use the binary management
+ *     functions available on the {@link ./index.Options firefox.Options} class.
+ */
+class Binary {
+  /**
+   * @param {?(string|Channel)=} opt_exeOrChannel Either the path to a specific
+   *     Firefox binary to use, or a {@link Channel} instance that describes
+   *     how to locate the desired Firefox version.
+   */
+  constructor(opt_exeOrChannel) {
+    /** @private {?(string|Channel)} */
+    this.exe_ = opt_exeOrChannel || null;
+
+    /** @private {!Array.<string>} */
+    this.args_ = [];
+
+    /** @private {!Object<string, string>} */
+    this.env_ = {};
+    Object.assign(this.env_, process.env, {
+      MOZ_CRASHREPORTER_DISABLE: '1',
+      MOZ_NO_REMOTE: '1',
+      NO_EM_RESTART: '1'
+    });
+
+    /** @private {boolean} */
+    this.devEdition_ = false;
+  }
+
+  /**
+   * @return {(string|undefined)} The path to the Firefox executable to use, or
+   *     `undefined` if WebDriver should attempt to locate Firefox automatically
+   *     on the current system.
+   */
+  getExe() {
+    return typeof this.exe_ === 'string' ? this.exe_ : undefined;
+  }
+
+  /**
+   * Add arguments to the command line used to start Firefox.
+   * @param {...(string|!Array.<string>)} var_args Either the arguments to add
+   *     as varargs, or the arguments as an array.
+   * @deprecated Use {@link ./index.Options#addArguments}.
+   */
+  addArguments(var_args) {
+    for (var i = 0; i < arguments.length; i++) {
+      if (Array.isArray(arguments[i])) {
+        this.args_ = this.args_.concat(arguments[i]);
+      } else {
+        this.args_.push(arguments[i]);
+      }
+    }
+  }
+
+  /**
+   * @return {!Array<string>} The command line arguments to use when starting
+   *     the browser.
+   */
+  getArguments() {
+    return this.args_;
+  }
+
+  /**
+   * Specifies whether to use Firefox Developer Edition instead of the normal
+   * stable channel. Setting this option has no effect if this instance was
+   * created with a path to a specific Firefox binary.
+   *
+   * This method has no effect on Unix systems where the Firefox application
+   * has the same (default) name regardless of version.
+   *
+   * @param {boolean=} opt_use Whether to use the developer edition. Defaults to
+   *     true.
+   * @deprecated Use the {@link Channel} class to indicate the desired Firefox
+   *     version when creating a new binary: `new Binary(Channel.AURORA)`.
+   */
+  useDevEdition(opt_use) {
+    this.devEdition_ = opt_use === undefined || !!opt_use;
+  }
+
+  /**
+   * Returns a promise for the Firefox executable used by this instance. The
+   * returned promise will be immediately resolved if the user supplied an
+   * executable path when this instance was created. Otherwise, an attempt will
+   * be made to find Firefox on the current system.
+   *
+   * @return {!Promise<string>} a promise for the path to the Firefox executable
+   *     used by this instance.
+   */
+  locate() {
+    if (typeof this.exe_ === 'string') {
+      return Promise.resolve(this.exe_);
+    } else if (this.exe_ instanceof Channel) {
+      return this.exe_.locate();
+    }
+    let channel = this.devEdition_ ? Channel.AURORA : Channel.RELEASE;
+    return channel.locate();
+  }
+
+  /**
+   * Launches Firefox and returns a promise that will be fulfilled when the
+   * process terminates.
+   * @param {string} profile Path to the profile directory to use.
+   * @return {!Promise<!exec.Command>} A promise for the handle to the started
+   *     subprocess.
+   */
+  launch(profile) {
+    let env = {};
+    Object.assign(env, this.env_, {XRE_PROFILE_PATH: profile});
+
+    let args = ['-foreground'].concat(this.args_);
+
+    return this.locate().then(function(firefox) {
+      if (process.platform === 'win32' || process.platform === 'darwin') {
+        return exec(firefox, {args: args, env: env});
+      }
+      return installNoFocusLibs(profile).then(function(ldLibraryPath) {
+        env['LD_LIBRARY_PATH'] = ldLibraryPath + ':' + env['LD_LIBRARY_PATH'];
+        env['LD_PRELOAD'] = X_IGNORE_NO_FOCUS_LIB;
+        return exec(firefox, {args: args, env: env});
+      });
+    });
+  }
+
+  /**
+   * Returns a promise for the wire representation of this binary. Note: the
+   * FirefoxDriver only supports passing the path to the binary executable over
+   * the wire; all command line arguments and environment variables will be
+   * discarded.
+   *
+   * @return {!Promise<string>} A promise for this binary's wire representation.
+   */
+  [Symbols.serialize]() {
+    return this.locate();
+  }
+}
+
+
+// PUBLIC API
+
+
+exports.Binary = Binary;
+exports.Channel = Channel;
+

node_modules/selenium-webdriver/firefox/extension.js

@@ -0,0 +1,224 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/** @fileoverview Utilities for working with Firefox extensions. */
+
+'use strict';
+
+const fs = require('fs'),
+    path = require('path'),
+    xml = require('xml2js');
+
+const io = require('../io');
+const zip = require('../io/zip');
+
+
+/**
+ * Thrown when there an add-on is malformed.
+ */
+class AddonFormatError extends Error {
+  /** @param {string} msg The error message. */
+  constructor(msg) {
+    super(msg);
+    /** @override */
+    this.name = this.constructor.name;
+  }
+}
+
+
+
+/**
+ * Installs an extension to the given directory.
+ * @param {string} extension Path to the extension to install, as either a xpi
+ *     file or a directory.
+ * @param {string} dir Path to the directory to install the extension in.
+ * @return {!Promise<string>} A promise for the add-on ID once
+ *     installed.
+ */
+function install(extension, dir) {
+  return getDetails(extension).then(function(details) {
+    var dst = path.join(dir, details.id);
+    if (extension.slice(-4) === '.xpi') {
+      if (!details.unpack) {
+        return io.copy(extension, dst + '.xpi').then(() => details.id);
+      } else {
+        return zip.unzip(extension, dst).then(() => details.id);
+      }
+    } else {
+      return io.copyDir(extension, dst).then(() => details.id);
+    }
+  });
+}
+
+
+/**
+ * Describes a Firefox add-on.
+ * @typedef {{id: string, name: string, version: string, unpack: boolean}}
+ */
+var AddonDetails;
+
+/** @typedef {{$: !Object<string, string>}} */
+var RdfRoot;
+
+
+/**
+ * Extracts the details needed to install an add-on.
+ * @param {string} addonPath Path to the extension directory.
+ * @return {!Promise<!AddonDetails>} A promise for the add-on details.
+ */
+function getDetails(addonPath) {
+  return io.stat(addonPath).then((stats) => {
+    if (stats.isDirectory()) {
+      return parseDirectory(addonPath);
+    } else if (addonPath.slice(-4) === '.xpi') {
+      return parseXpiFile(addonPath);
+    } else {
+      throw Error('Add-on path is not an xpi or a directory: ' + addonPath);
+    }
+  });
+
+  /**
+   * Parse an install.rdf for a Firefox add-on.
+   * @param {string} rdf The contents of install.rdf for the add-on.
+   * @return {!Promise<!AddonDetails>} A promise for the add-on details.
+   */
+  function parseInstallRdf(rdf) {
+    return parseXml(rdf).then(function(doc) {
+      var em = getNamespaceId(doc, 'http://www.mozilla.org/2004/em-rdf#');
+      var rdf = getNamespaceId(
+          doc, 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
+
+      var description = doc[rdf + 'RDF'][rdf + 'Description'][0];
+      var details = {
+        id: getNodeText(description, em + 'id'),
+        name: getNodeText(description, em + 'name'),
+        version: getNodeText(description, em + 'version'),
+        unpack: getNodeText(description, em + 'unpack') || false
+      };
+
+      if (typeof details.unpack === 'string') {
+        details.unpack = details.unpack.toLowerCase() === 'true';
+      }
+
+      if (!details.id) {
+        throw new AddonFormatError('Could not find add-on ID for ' + addonPath);
+      }
+
+      return details;
+    });
+
+    function parseXml(text) {
+      return new Promise((resolve, reject) => {
+        xml.parseString(text, (err, data) => {
+          if (err) {
+            reject(err);
+          } else {
+            resolve(data);
+          }
+        });
+      });
+    }
+
+    function getNodeText(node, name) {
+      return node[name] && node[name][0] || '';
+    }
+
+    function getNamespaceId(doc, url) {
+      var keys = Object.keys(doc);
+      if (keys.length !== 1) {
+        throw new AddonFormatError('Malformed manifest for add-on ' + addonPath);
+      }
+
+      var namespaces = /** @type {!RdfRoot} */(doc[keys[0]]).$;
+      var id = '';
+      Object.keys(namespaces).some(function(ns) {
+        if (namespaces[ns] !== url) {
+          return false;
+        }
+
+        if (ns.indexOf(':') != -1) {
+          id = ns.split(':')[1] + ':';
+        }
+        return true;
+      });
+      return id;
+    }
+  }
+
+  /**
+   * Parse a manifest for a Firefox WebExtension.
+   * @param {{
+   *   name: string,
+   *   version: string,
+   *   applications: {gecko:{id:string}}
+   * }} json JSON representation of the manifest.
+   * @return {!AddonDetails} The add-on details.
+   */
+  function parseManifestJson({name, version, applications}) {
+    if (!(applications && applications.gecko && applications.gecko.id)) {
+      throw new AddonFormatError('Could not find add-on ID for ' + addonPath);
+    }
+
+    return {id: applications.gecko.id, name, version, unpack: false};
+  }
+
+  function parseXpiFile(filePath) {
+    return zip.load(filePath).then(archive => {
+      if (archive.has('install.rdf')) {
+        return archive.getFile('install.rdf')
+            .then(buf => parseInstallRdf(buf.toString('utf8')));
+      }
+
+      if (archive.has('manifest.json')) {
+        return archive.getFile('manifest.json')
+            .then(buf => JSON.parse(buf.toString('utf8')))
+            .then(parseManifestJson);
+      }
+
+      throw new AddonFormatError(
+          `Couldn't find install.rdf or manifest.json in ${filePath}`);
+    });
+  }
+
+  function parseDirectory(dirPath) {
+    const rdfPath = path.join(dirPath, 'install.rdf');
+    const jsonPath = path.join(dirPath, 'manifest.json');
+    return io.exists(rdfPath)
+        .then(rdfExists => {
+          if (rdfExists) {
+            return io.read(rdfPath)
+                .then(buf => parseInstallRdf(buf.toString('utf8')));
+          }
+          return io.exists(jsonPath)
+              .then(jsonExists => {
+                if (jsonExists) {
+                  return io.read(jsonPath)
+                      .then(buf => JSON.parse(buf.toString('utf8')))
+                      .then(parseManifestJson);
+                }
+                throw new AddonFormatError(
+                    `Couldn't find install.rdf or manifest.json in ${dirPath}`);
+              });
+        })
+  }
+}
+
+
+// PUBLIC API
+
+
+exports.install = install;

node_modules/selenium-webdriver/firefox/index.js

@@ -0,0 +1,576 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Defines the {@linkplain Driver WebDriver} client for Firefox.
+ * Before using this module, you must download the latest
+ * [geckodriver release] and ensure it can be found on your system [PATH].
+ *
+ * Each FirefoxDriver instance will be created with an anonymous profile,
+ * ensuring browser historys do not share session data (cookies, history, cache,
+ * offline storage, etc.)
+ *
+ * __Customizing the Firefox Profile__
+ *
+ * The {@linkplain Profile} class may be used to configure the browser profile
+ * used with WebDriver, with functions to install additional
+ * {@linkplain Profile#addExtension extensions}, configure browser
+ * {@linkplain Profile#setPreference preferences}, and more. For example, you
+ * may wish to include Firebug:
+ *
+ *     const {Builder} = require('selenium-webdriver');
+ *     const firefox = require('selenium-webdriver/firefox');
+ *
+ *     let profile = new firefox.Profile();
+ *     profile.addExtension('/path/to/firebug.xpi');
+ *     profile.setPreference('extensions.firebug.showChromeErrors', true);
+ *
+ *     let options = new firefox.Options().setProfile(profile);
+ *     let driver = new Builder()
+ *         .forBrowser('firefox')
+ *         .setFirefoxOptions(options)
+ *         .build();
+ *
+ * The {@linkplain Profile} class may also be used to configure WebDriver based
+ * on a pre-existing browser profile:
+ *
+ *     let profile = new firefox.Profile(
+ *         '/usr/local/home/bob/.mozilla/firefox/3fgog75h.testing');
+ *     let options = new firefox.Options().setProfile(profile);
+ *
+ * The FirefoxDriver will _never_ modify a pre-existing profile; instead it will
+ * create a copy for it to modify. By extension, there are certain browser
+ * preferences that are required for WebDriver to function properly and they
+ * will always be overwritten.
+ *
+ * __Using a Custom Firefox Binary__
+ *
+ * On Windows and MacOS, the FirefoxDriver will search for Firefox in its
+ * default installation location:
+ *
+ * - Windows: C:\Program Files and C:\Program Files (x86).
+ * - MacOS: /Applications/Firefox.app
+ *
+ * For Linux, Firefox will always be located on the PATH: `$(where firefox)`.
+ *
+ * Several methods are provided for starting Firefox with a custom executable.
+ * First, on Windows and MacOS, you may configure WebDriver to check the default
+ * install location for a non-release channel. If the requested channel cannot
+ * be found in its default location, WebDriver will fallback to searching your
+ * PATH. _Note:_ on Linux, Firefox is _always_ located on your path, regardless
+ * of the requested channel.
+ *
+ *     const {Builder} = require('selenium-webdriver');
+ *     const firefox = require('selenium-webdriver/firefox');
+ *
+ *     let options = new firefox.Options().setBinary(firefox.Channel.NIGHTLY);
+ *     let driver = new Builder()
+ *         .forBrowser('firefox')
+ *         .setFirefoxOptions(options)
+ *         .build();
+ *
+ * On all platforms, you may configrue WebDriver to use a Firefox specific
+ * executable:
+ *
+ *     let options = new firefox.Options()
+ *         .setBinary('/my/firefox/install/dir/firefox-bin');
+ *
+ * __Remote Testing__
+ *
+ * You may customize the Firefox binary and profile when running against a
+ * remote Selenium server. Your custom profile will be packaged as a zip and
+ * transfered to the remote host for use. The profile will be transferred
+ * _once for each new session_. The performance impact should be minimal if
+ * you've only configured a few extra browser preferences. If you have a large
+ * profile with several extensions, you should consider installing it on the
+ * remote host and defining its path via the {@link Options} class. Custom
+ * binaries are never copied to remote machines and must be referenced by
+ * installation path.
+ *
+ *     const {Builder} = require('selenium-webdriver');
+ *     const firefox = require('selenium-webdriver/firefox');
+ *
+ *     let options = new firefox.Options()
+ *         .setProfile('/profile/path/on/remote/host')
+ *         .setBinary('/install/dir/on/remote/host/firefox-bin');
+ *
+ *     let driver = new Builder()
+ *         .forBrowser('firefox')
+ *         .usingServer('http://127.0.0.1:4444/wd/hub')
+ *         .setFirefoxOptions(options)
+ *         .build();
+ *
+ * [geckodriver release]: https://github.com/mozilla/geckodriver/releases/
+ * [PATH]: http://en.wikipedia.org/wiki/PATH_%28variable%29
+ */
+
+'use strict';
+
+const url = require('url');
+
+const {Binary, Channel} = require('./binary'),
+    Profile = require('./profile').Profile,
+    http = require('../http'),
+    httpUtil = require('../http/util'),
+    io = require('../io'),
+    capabilities = require('../lib/capabilities'),
+    command = require('../lib/command'),
+    logging = require('../lib/logging'),
+    promise = require('../lib/promise'),
+    webdriver = require('../lib/webdriver'),
+    net = require('../net'),
+    portprober = require('../net/portprober'),
+    remote = require('../remote');
+
+
+/**
+ * Configuration options for the FirefoxDriver.
+ */
+class Options {
+  constructor() {
+    /** @private {Profile} */
+    this.profile_ = null;
+
+    /** @private {(Binary|Channel|string|null)} */
+    this.binary_ = null;
+
+    /** @private {!Array<string>} */
+    this.args_ = [];
+
+    /** @private {logging.Preferences} */
+    this.logPrefs_ = null;
+
+    /** @private {?capabilities.ProxyConfig} */
+    this.proxy_ = null;
+  }
+
+  /**
+   * Specify additional command line arguments that should be used when starting
+   * the Firefox browser.
+   *
+   * @param {...(string|!Array<string>)} args The arguments to include.
+   * @return {!Options} A self reference.
+   */
+  addArguments(...args) {
+    this.args_ = this.args_.concat(...args);
+    return this;
+  }
+
+  /**
+   * Configures the geckodriver to start Firefox in headless mode.
+   *
+   * @return {!Options} A self reference.
+   */
+  headless() {
+    return this.addArguments('-headless');
+  }
+
+  /**
+   * Sets the initial window size when running in
+   * {@linkplain #headless headless} mode.
+   *
+   * @param {{width: number, height: number}} size The desired window size.
+   * @return {!Options} A self reference.
+   * @throws {TypeError} if width or height is unspecified, not a number, or
+   *     less than or equal to 0.
+   */
+  windowSize({width, height}) {
+    function checkArg(arg) {
+      if (typeof arg !== 'number' || arg <= 0) {
+        throw TypeError('Arguments must be {width, height} with numbers > 0');
+      }
+    }
+    checkArg(width);
+    checkArg(height);
+    return this.addArguments(`--window-size=${width},${height}`);
+  }
+
+  /**
+   * Sets the profile to use. The profile may be specified as a
+   * {@link Profile} object or as the path to an existing Firefox profile to use
+   * as a template.
+   *
+   * @param {(string|!Profile)} profile The profile to use.
+   * @return {!Options} A self reference.
+   */
+  setProfile(profile) {
+    if (typeof profile === 'string') {
+      profile = new Profile(profile);
+    }
+    this.profile_ = profile;
+    return this;
+  }
+
+  /**
+   * Sets the binary to use. The binary may be specified as the path to a
+   * Firefox executable, a specific {@link Channel}, or as a {@link Binary}
+   * object.
+   *
+   * @param {(string|!Binary|!Channel)} binary The binary to use.
+   * @return {!Options} A self reference.
+   * @throws {TypeError} If `binary` is an invalid type.
+   */
+  setBinary(binary) {
+    if (binary instanceof Binary
+        || binary instanceof Channel
+        || typeof binary === 'string') {
+      this.binary_ = binary;
+      return this;
+    }
+    throw TypeError(
+        'binary must be a string path, Channel, or Binary object');
+  }
+
+  /**
+   * Sets the logging preferences for the new session.
+   * @param {logging.Preferences} prefs The logging preferences.
+   * @return {!Options} A self reference.
+   */
+  setLoggingPreferences(prefs) {
+    this.logPrefs_ = prefs;
+    return this;
+  }
+
+  /**
+   * Sets the proxy to use.
+   *
+   * @param {capabilities.ProxyConfig} proxy The proxy configuration to use.
+   * @return {!Options} A self reference.
+   */
+  setProxy(proxy) {
+    this.proxy_ = proxy;
+    return this;
+  }
+
+  /**
+   * Converts these options to a {@link capabilities.Capabilities} instance.
+   *
+   * @return {!capabilities.Capabilities} A new capabilities object.
+   */
+  toCapabilities() {
+    let caps = capabilities.Capabilities.firefox();
+    let firefoxOptions = {};
+    caps.set('moz:firefoxOptions', firefoxOptions);
+
+    if (this.logPrefs_) {
+      caps.set(capabilities.Capability.LOGGING_PREFS, this.logPrefs_);
+    }
+
+    if (this.proxy_) {
+      caps.set(capabilities.Capability.PROXY, this.proxy_);
+    }
+
+    if (this.args_.length) {
+      firefoxOptions['args'] = this.args_.concat();
+    }
+
+    if (this.binary_) {
+      if (this.binary_ instanceof Binary) {
+        let exe = this.binary_.getExe();
+        if (exe) {
+          firefoxOptions['binary'] = exe;
+        }
+
+        let args = this.binary_.getArguments();
+        if (args.length) {
+          if (this.args_.length) {
+            throw Error(
+                'You may specify browser arguments with Options.addArguments'
+                    + ' (preferred) or Binary.addArguments, but not both');
+          }
+          firefoxOptions['args'] = args;
+        }
+      } else if (this.binary_ instanceof Channel) {
+        firefoxOptions['binary'] = this.binary_.locate();
+
+      } else if (typeof this.binary_ === 'string') {
+        firefoxOptions['binary'] = this.binary_;
+      }
+    }
+
+    if (this.profile_) {
+      // If the user specified a template directory or any extensions to
+      // install, we need to encode the profile as a base64 string (which
+      // requires writing it to disk first). Otherwise, if the user just
+      // specified some custom preferences, we can send those directly.
+      let profile = this.profile_;
+      if (profile.getTemplateDir() || profile.getExtensions().length) {
+        firefoxOptions['profile'] = profile.encode();
+
+      } else {
+        let prefs = profile.getPreferences();
+        if (Object.keys(prefs).length) {
+          firefoxOptions['prefs'] = prefs;
+        }
+      }
+    }
+
+    return caps;
+  }
+}
+
+
+/**
+ * Enum of available command contexts.
+ *
+ * Command contexts are specific to Marionette, and may be used with the
+ * {@link #context=} method. Contexts allow you to direct all subsequent
+ * commands to either "content" (default) or "chrome". The latter gives
+ * you elevated security permissions.
+ *
+ * @enum {string}
+ */
+const Context = {
+  CONTENT: "content",
+  CHROME: "chrome",
+};
+
+
+const GECKO_DRIVER_EXE =
+    process.platform === 'win32' ? 'geckodriver.exe' : 'geckodriver';
+
+
+/**
+ * @return {string} .
+ * @throws {Error}
+ */
+function findGeckoDriver() {
+  let exe = io.findInPath(GECKO_DRIVER_EXE, true);
+  if (!exe) {
+    throw Error(
+      'The ' + GECKO_DRIVER_EXE + ' executable could not be found on the current ' +
+      'PATH. Please download the latest version from ' +
+      'https://github.com/mozilla/geckodriver/releases/ ' +
+      'and ensure it can be found on your PATH.');
+  }
+  return exe;
+}
+
+
+function normalizeProxyConfiguration(config) {
+  if ('manual' === config.proxyType) {
+    if (config.ftpProxy && !config.ftpProxyPort) {
+      let hostAndPort = net.splitHostAndPort(config.ftpProxy);
+      config.ftpProxy = hostAndPort.host;
+      config.ftpProxyPort = hostAndPort.port;
+    }
+
+    if (config.httpProxy && !config.httpProxyPort) {
+      let hostAndPort = net.splitHostAndPort(config.httpProxy);
+      config.httpProxy = hostAndPort.host;
+      config.httpProxyPort = hostAndPort.port;
+    }
+
+    if (config.sslProxy && !config.sslProxyPort) {
+      let hostAndPort = net.splitHostAndPort(config.sslProxy);
+      config.sslProxy = hostAndPort.host;
+      config.sslProxyPort = hostAndPort.port;
+    }
+
+    if (config.socksProxy && !config.socksProxyPort) {
+      let hostAndPort = net.splitHostAndPort(config.socksProxy);
+      config.socksProxy = hostAndPort.host;
+      config.socksProxyPort = hostAndPort.port;
+    }
+  } else if ('pac' === config.proxyType) {
+    if (config.proxyAutoconfigUrl && !config.pacUrl) {
+      config.pacUrl = config.proxyAutoconfigUrl;
+    }
+  }
+  return config;
+}
+
+
+/** @enum {string} */
+const ExtensionCommand = {
+  GET_CONTEXT: 'getContext',
+  SET_CONTEXT: 'setContext',
+};
+
+
+/**
+ * Creates a command executor with support for Marionette's custom commands.
+ * @param {!Promise<string>} serverUrl The server's URL.
+ * @return {!command.Executor} The new command executor.
+ */
+function createExecutor(serverUrl) {
+  let client = serverUrl.then(url => new http.HttpClient(url));
+  let executor = new http.Executor(client);
+  configureExecutor(executor);
+  return executor;
+}
+
+
+/**
+ * Configures the given executor with Firefox-specific commands.
+ * @param {!http.Executor} executor the executor to configure.
+ */
+function configureExecutor(executor) {
+  executor.defineCommand(
+      ExtensionCommand.GET_CONTEXT,
+      'GET',
+      '/session/:sessionId/moz/context');
+
+  executor.defineCommand(
+      ExtensionCommand.SET_CONTEXT,
+      'POST',
+      '/session/:sessionId/moz/context');
+}
+
+
+/**
+ * Creates {@link selenium-webdriver/remote.DriverService} instances that manage
+ * a [geckodriver](https://github.com/mozilla/geckodriver) server in a child
+ * process.
+ */
+class ServiceBuilder extends remote.DriverService.Builder {
+  /**
+   * @param {string=} opt_exe Path to the server executable to use. If omitted,
+   *     the builder will attempt to locate the geckodriver on the system PATH.
+   */
+  constructor(opt_exe) {
+    super(opt_exe || findGeckoDriver());
+    this.setLoopback(true);  // Required.
+  }
+
+  /**
+   * Enables verbose logging.
+   *
+   * @param {boolean=} opt_trace Whether to enable trace-level logging. By
+   *     default, only debug logging is enabled.
+   * @return {!ServiceBuilder} A self reference.
+   */
+  enableVerboseLogging(opt_trace) {
+    return this.addArguments(opt_trace ? '-vv' : '-v');
+  }
+}
+
+
+/**
+ * A WebDriver client for Firefox.
+ */
+class Driver extends webdriver.WebDriver {
+  /**
+   * Creates a new Firefox session.
+   *
+   * @param {(Options|capabilities.Capabilities|Object)=} opt_config The
+   *    configuration options for this driver, specified as either an
+   *    {@link Options} or {@link capabilities.Capabilities}, or as a raw hash
+   *    object.
+   * @param {(http.Executor|remote.DriverService)=} opt_executor Either a
+   *   pre-configured command executor to use for communicating with an
+   *   externally managed remote end (which is assumed to already be running),
+   *   or the `DriverService` to use to start the geckodriver in a child
+   *   process.
+   *
+   *   If an executor is provided, care should e taken not to use reuse it with
+   *   other clients as its internal command mappings will be updated to support
+   *   Firefox-specific commands.
+   *
+   *   _This parameter may only be used with Mozilla's GeckoDriver._
+   *
+   * @param {promise.ControlFlow=} opt_flow The flow to
+   *     schedule commands through. Defaults to the active flow object.
+   * @throws {Error} If a custom command executor is provided and the driver is
+   *     configured to use the legacy FirefoxDriver from the Selenium project.
+   * @return {!Driver} A new driver instance.
+   */
+  static createSession(opt_config, opt_executor, opt_flow) {
+    let caps;
+    if (opt_config instanceof Options) {
+      caps = opt_config.toCapabilities();
+    } else {
+      caps = new capabilities.Capabilities(opt_config);
+    }
+
+    if (caps.has(capabilities.Capability.PROXY)) {
+      let proxy =
+          normalizeProxyConfiguration(caps.get(capabilities.Capability.PROXY));
+      caps.set(capabilities.Capability.PROXY, proxy);
+    }
+
+    let executor;
+    let onQuit;
+
+    if (opt_executor instanceof http.Executor) {
+      executor = opt_executor;
+      configureExecutor(executor);
+    } else if (opt_executor instanceof remote.DriverService) {
+      executor = createExecutor(opt_executor.start());
+      onQuit = () => opt_executor.kill();
+    } else {
+      let service = new ServiceBuilder().build();
+      executor = createExecutor(service.start());
+      onQuit = () => service.kill();
+    }
+
+    return /** @type {!Driver} */(super.createSession(
+        executor, caps, opt_flow, onQuit));
+  }
+
+  /**
+   * This function is a no-op as file detectors are not supported by this
+   * implementation.
+   * @override
+   */
+  setFileDetector() {
+  }
+
+  /**
+   * Get the context that is currently in effect.
+   *
+   * @return {!promise.Thenable<Context>} Current context.
+   */
+  getContext() {
+    return this.schedule(
+        new command.Command(ExtensionCommand.GET_CONTEXT),
+        'get WebDriver.context');
+  }
+
+  /**
+   * Changes target context for commands between chrome- and content.
+   *
+   * Changing the current context has a stateful impact on all subsequent
+   * commands. The {@link Context.CONTENT} context has normal web
+   * platform document permissions, as if you would evaluate arbitrary
+   * JavaScript. The {@link Context.CHROME} context gets elevated
+   * permissions that lets you manipulate the browser chrome itself,
+   * with full access to the XUL toolkit.
+   *
+   * Use your powers wisely.
+   *
+   * @param {!promise.Thenable<void>} ctx The context to switch to.
+   */
+  setContext(ctx) {
+    return this.schedule(
+        new command.Command(ExtensionCommand.SET_CONTEXT)
+            .setParameter("context", ctx),
+        'set WebDriver.context');
+  }
+}
+
+
+// PUBLIC API
+
+
+exports.Binary = Binary;
+exports.Channel = Channel;
+exports.Context = Context;
+exports.Driver = Driver;
+exports.Options = Options;
+exports.Profile = Profile;
+exports.ServiceBuilder = ServiceBuilder;

node_modules/selenium-webdriver/firefox/profile.js

@@ -0,0 +1,311 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Profile management module. This module is considered internal;
+ * users should use {@link selenium-webdriver/firefox}.
+ */
+
+'use strict';
+
+const fs = require('fs'),
+    path = require('path'),
+    vm = require('vm');
+
+const isDevMode = require('../lib/devmode'),
+    Symbols = require('../lib/symbols'),
+    io = require('../io'),
+    {Zip, unzip} = require('../io/zip'),
+    extension = require('./extension');
+
+
+/**
+ * Parses a user.js file in a Firefox profile directory.
+ * @param {string} f Path to the file to parse.
+ * @return {!Promise<!Object>} A promise for the parsed preferences as
+ *     a JSON object. If the file does not exist, an empty object will be
+ *     returned.
+ */
+function loadUserPrefs(f) {
+  return io.read(f).then(
+      function onSuccess(contents) {
+        var prefs = {};
+        var context = vm.createContext({
+          'user_pref': function(key, value) {
+            prefs[key] = value;
+          }
+        });
+        vm.runInContext(contents.toString(), context, f);
+        return prefs;
+      },
+      function onError(err) {
+        if (err && err.code === 'ENOENT') {
+          return {};
+        }
+        throw err;
+      });
+}
+
+
+
+/**
+ * @param {!Object} prefs The default preferences to write. Will be
+ *     overridden by user.js preferences in the template directory and the
+ *     frozen preferences required by WebDriver.
+ * @param {string} dir Path to the directory write the file to.
+ * @return {!Promise<string>} A promise for the profile directory,
+ *     to be fulfilled when user preferences have been written.
+ */
+function writeUserPrefs(prefs, dir) {
+  var userPrefs = path.join(dir, 'user.js');
+  return loadUserPrefs(userPrefs).then(function(overrides) {
+    Object.assign(prefs, overrides);
+
+    let keys = Object.keys(prefs);
+    if (!keys.length) {
+      return dir;
+    }
+
+    let contents = Object.keys(prefs).map(function(key) {
+      return 'user_pref(' + JSON.stringify(key) + ', ' +
+          JSON.stringify(prefs[key]) + ');';
+    }).join('\n');
+
+    return new Promise((resolve, reject) => {
+      fs.writeFile(userPrefs, contents, function(err) {
+        err && reject(err) || resolve(dir);
+      });
+    });
+  });
+};
+
+
+/**
+ * Installs a group of extensions in the given profile directory. If the
+ * WebDriver extension is not included in this set, the default version
+ * bundled with this package will be installed.
+ * @param {!Array.<string>} extensions The extensions to install, as a
+ *     path to an unpacked extension directory or a path to a xpi file.
+ * @param {string} dir The profile directory to install to.
+ * @return {!Promise<string>} A promise for the main profile directory
+ *     once all extensions have been installed.
+ */
+function installExtensions(extensions, dir) {
+  var next = 0;
+  var extensionDir = path.join(dir, 'extensions');
+
+  return new Promise(function(fulfill, reject) {
+    io.mkdir(extensionDir).then(installNext, reject);
+
+    function installNext() {
+      if (next >= extensions.length) {
+        fulfill(dir);
+      } else {
+        install(extensions[next++]);
+      }
+    }
+
+    function install(ext) {
+      extension.install(ext, extensionDir).then(function(id) {
+        installNext();
+      }, reject);
+    }
+  });
+}
+
+
+
+/**
+ * Models a Firefox profile directory for use with the FirefoxDriver. The
+ * {@code Profile} directory uses an in-memory model until
+ * {@link #writeToDisk} or {@link #encode} is called.
+ */
+class Profile {
+  /**
+   * @param {string=} opt_dir Path to an existing Firefox profile directory to
+   *     use a template for this profile. If not specified, a blank profile will
+   *     be used.
+   */
+  constructor(opt_dir) {
+    /** @private {!Object} */
+    this.preferences_ = {};
+
+    /** @private {(string|undefined)} */
+    this.template_ = opt_dir;
+
+    /** @private {!Array<string>} */
+    this.extensions_ = [];
+  }
+
+  /**
+   * @return {(string|undefined)} Path to an existing Firefox profile directory
+   *     to use as a template when writing this Profile to disk.
+   */
+  getTemplateDir() {
+    return this.template_;
+  }
+
+  /**
+   * Registers an extension to be included with this profile.
+   * @param {string} extension Path to the extension to include, as either an
+   *     unpacked extension directory or the path to a xpi file.
+   */
+  addExtension(extension) {
+    this.extensions_.push(extension);
+  }
+
+  /**
+   * @return {!Array<string>} A list of extensions to install in this profile.
+   */
+  getExtensions() {
+    return this.extensions_;
+  }
+
+  /**
+   * Sets a desired preference for this profile.
+   * @param {string} key The preference key.
+   * @param {(string|number|boolean)} value The preference value.
+   * @throws {Error} If attempting to set a frozen preference.
+   */
+  setPreference(key, value) {
+    this.preferences_[key] = value;
+  }
+
+  /**
+   * Returns the currently configured value of a profile preference. This does
+   * not include any defaults defined in the profile's template directory user.js
+   * file (if a template were specified on construction).
+   * @param {string} key The desired preference.
+   * @return {(string|number|boolean|undefined)} The current value of the
+   *     requested preference.
+   */
+  getPreference(key) {
+    return this.preferences_[key];
+  }
+
+  /**
+   * @return {!Object} A copy of all currently configured preferences.
+   */
+  getPreferences() {
+    return Object.assign({}, this.preferences_);
+  }
+
+  /**
+   * Specifies which host the driver should listen for commands on. If not
+   * specified, the driver will default to "localhost". This option should be
+   * specified when "localhost" is not mapped to the loopback address
+   * (127.0.0.1) in `/etc/hosts`.
+   *
+   * @param {string} host the host the driver should listen for commands on
+   */
+  setHost(host) {
+    this.preferences_['webdriver_firefox_allowed_hosts'] = host;
+  }
+
+  /**
+   * @return {boolean} Whether the FirefoxDriver is configured to automatically
+   *     accept untrusted SSL certificates.
+   */
+  acceptUntrustedCerts() {
+    return !!this.preferences_['webdriver_accept_untrusted_certs'];
+  }
+
+  /**
+   * Sets whether the FirefoxDriver should automatically accept untrusted SSL
+   * certificates.
+   * @param {boolean} value .
+   */
+  setAcceptUntrustedCerts(value) {
+    this.preferences_['webdriver_accept_untrusted_certs'] = !!value;
+  }
+
+  /**
+   * Sets whether to assume untrusted certificates come from untrusted issuers.
+   * @param {boolean} value .
+   */
+  setAssumeUntrustedCertIssuer(value) {
+    this.preferences_['webdriver_assume_untrusted_issuer'] = !!value;
+  }
+
+  /**
+   * @return {boolean} Whether to assume untrusted certs come from untrusted
+   *     issuers.
+   */
+  assumeUntrustedCertIssuer() {
+    return !!this.preferences_['webdriver_assume_untrusted_issuer'];
+  }
+
+  /**
+   * Writes this profile to disk.
+   * @return {!Promise<string>} A promise for the path to the new profile
+   *     directory.
+   */
+  writeToDisk() {
+    var profileDir = io.tmpDir();
+    if (this.template_) {
+      profileDir = profileDir.then(function(dir) {
+        return io.copyDir(
+            /** @type {string} */(this.template_),
+            dir, /(parent\.lock|lock|\.parentlock)/);
+      }.bind(this));
+    }
+
+    // Freeze preferences for async operations.
+    let prefs = Object.assign({}, this.preferences_);
+
+    // Freeze extensions for async operations.
+    var extensions = this.extensions_.concat();
+
+    return profileDir.then(function(dir) {
+      return writeUserPrefs(prefs, dir);
+    }).then(function(dir) {
+      return installExtensions(extensions, dir);
+    });
+  }
+
+  /**
+   * Write profile to disk, compress its containing directory, and return
+   * it as a Base64 encoded string.
+   *
+   * @return {!Promise<string>} A promise for the encoded profile as
+   *     Base64 string.
+   *
+   */
+  encode() {
+    return this.writeToDisk().then(function(dir) {
+      let zip = new Zip;
+      return zip.addDir(dir)
+          .then(() => zip.toBuffer())
+          .then(buf => buf.toString('base64'));
+    });
+  }
+
+  /**
+   * Encodes this profile as a zipped, base64 encoded directory.
+   * @return {!Promise<string>} A promise for the encoded profile.
+   */
+  [Symbols.serialize]() {
+    return this.encode();
+  }
+}
+
+
+// PUBLIC API
+
+
+exports.Profile = Profile;
+exports.loadUserPrefs = loadUserPrefs;

node_modules/selenium-webdriver/http/index.js

@@ -0,0 +1,255 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Defines an {@linkplain cmd.Executor command executor} that
+ * communicates with a remote end using HTTP + JSON.
+ */
+
+'use strict';
+
+const http = require('http');
+const https = require('https');
+const url = require('url');
+
+const httpLib = require('../lib/http');
+
+
+/**
+ * @typedef {{protocol: (?string|undefined),
+ *            auth: (?string|undefined),
+ *            hostname: (?string|undefined),
+ *            host: (?string|undefined),
+ *            port: (?string|undefined),
+ *            path: (?string|undefined),
+ *            pathname: (?string|undefined)}}
+ */
+var RequestOptions;
+
+
+/**
+ * @param {string} aUrl The request URL to parse.
+ * @return {RequestOptions} The request options.
+ * @throws {Error} if the URL does not include a hostname.
+ */
+function getRequestOptions(aUrl) {
+  let options = url.parse(aUrl);
+  if (!options.hostname) {
+    throw new Error('Invalid URL: ' + aUrl);
+  }
+  // Delete the search and has portions as they are not used.
+  options.search = null;
+  options.hash = null;
+  options.path = options.pathname;
+  return options;
+}
+
+
+/**
+ * A basic HTTP client used to send messages to a remote end.
+ *
+ * @implements {httpLib.Client}
+ */
+class HttpClient {
+  /**
+   * @param {string} serverUrl URL for the WebDriver server to send commands to.
+   * @param {http.Agent=} opt_agent The agent to use for each request.
+   *     Defaults to `http.globalAgent`.
+   * @param {?string=} opt_proxy The proxy to use for the connection to the
+   *     server. Default is to use no proxy.
+   */
+  constructor(serverUrl, opt_agent, opt_proxy) {
+    /** @private {http.Agent} */
+    this.agent_ = opt_agent || null;
+
+    /**
+     * Base options for each request.
+     * @private {RequestOptions}
+     */
+    this.options_ = getRequestOptions(serverUrl);
+
+    /**
+     * @private {?RequestOptions}
+     */
+    this.proxyOptions_ = opt_proxy ? getRequestOptions(opt_proxy) : null;
+  }
+
+  /** @override */
+  send(httpRequest) {
+    let data;
+
+    let headers = {};
+    httpRequest.headers.forEach(function(value, name) {
+      headers[name] = value;
+    });
+
+    headers['Content-Length'] = 0;
+    if (httpRequest.method == 'POST' || httpRequest.method == 'PUT') {
+      data = JSON.stringify(httpRequest.data);
+      headers['Content-Length'] = Buffer.byteLength(data, 'utf8');
+      headers['Content-Type'] = 'application/json;charset=UTF-8';
+    }
+
+    let path = this.options_.path;
+    if (path.endsWith('/') && httpRequest.path.startsWith('/')) {
+      path += httpRequest.path.substring(1);
+    } else {
+      path += httpRequest.path;
+    }
+    let parsedPath = url.parse(path);
+
+    let options = {
+      agent: this.agent_ || null,
+      method: httpRequest.method,
+
+      auth: this.options_.auth,
+      hostname: this.options_.hostname,
+      port: this.options_.port,
+      protocol: this.options_.protocol,
+
+      path: parsedPath.path,
+      pathname: parsedPath.pathname,
+      search: parsedPath.search,
+      hash: parsedPath.hash,
+
+      headers,
+    };
+
+    return new Promise((fulfill, reject) => {
+      sendRequest(options, fulfill, reject, data, this.proxyOptions_);
+    });
+  }
+}
+
+
+/**
+ * Sends a single HTTP request.
+ * @param {!Object} options The request options.
+ * @param {function(!httpLib.Response)} onOk The function to call if the
+ *     request succeeds.
+ * @param {function(!Error)} onError The function to call if the request fails.
+ * @param {?string=} opt_data The data to send with the request.
+ * @param {?RequestOptions=} opt_proxy The proxy server to use for the request.
+ */
+function sendRequest(options, onOk, onError, opt_data, opt_proxy) {
+  var hostname = options.hostname;
+  var port = options.port;
+
+  if (opt_proxy) {
+    let proxy = /** @type {RequestOptions} */(opt_proxy);
+
+    // RFC 2616, section 5.1.2:
+    // The absoluteURI form is REQUIRED when the request is being made to a
+    // proxy.
+    let absoluteUri = url.format(options);
+
+    // RFC 2616, section 14.23:
+    // An HTTP/1.1 proxy MUST ensure that any request message it forwards does
+    // contain an appropriate Host header field that identifies the service
+    // being requested by the proxy.
+    let targetHost = options.hostname
+    if (options.port) {
+      targetHost += ':' + options.port;
+    }
+
+    // Update the request options with our proxy info.
+    options.headers['Host'] = targetHost;
+    options.path = absoluteUri;
+    options.host = proxy.host;
+    options.hostname = proxy.hostname;
+    options.port = proxy.port;
+
+    if (proxy.auth) {
+      options.headers['Proxy-Authorization'] =
+          'Basic ' + new Buffer(proxy.auth).toString('base64');
+    }
+  }
+
+  let requestFn = options.protocol === 'https:' ? https.request : http.request;
+  var request = requestFn(options, function onResponse(response) {
+    if (response.statusCode == 302 || response.statusCode == 303) {
+      try {
+        var location = url.parse(response.headers['location']);
+      } catch (ex) {
+        onError(Error(
+            'Failed to parse "Location" header for server redirect: ' +
+            ex.message + '\nResponse was: \n' +
+            new httpLib.Response(response.statusCode, response.headers, '')));
+        return;
+      }
+
+      if (!location.hostname) {
+        location.hostname = hostname;
+        location.port = port;
+      }
+
+      request.abort();
+      sendRequest({
+        method: 'GET',
+        protocol: location.protocol || options.protocol,
+        hostname: location.hostname,
+        port: location.port,
+        path: location.path,
+        pathname: location.pathname,
+        search: location.search,
+        hash: location.hash,
+        headers: {
+          'Accept': 'application/json; charset=utf-8'
+        }
+      }, onOk, onError, undefined, opt_proxy);
+      return;
+    }
+
+    var body = [];
+    response.on('data', body.push.bind(body));
+    response.on('end', function() {
+      var resp = new httpLib.Response(
+          /** @type {number} */(response.statusCode),
+          /** @type {!Object<string>} */(response.headers),
+          body.join('').replace(/\0/g, ''));
+      onOk(resp);
+    });
+  });
+
+  request.on('error', function(e) {
+    if (e.code === 'ECONNRESET') {
+      setTimeout(function() {
+        sendRequest(options, onOk, onError, opt_data, opt_proxy);
+      }, 15);
+    } else {
+      var message = e.message;
+      if (e.code) {
+        message = e.code + ' ' + message;
+      }
+      onError(new Error(message));
+    }
+  });
+
+  if (opt_data) {
+    request.write(opt_data);
+  }
+
+  request.end();
+}
+
+
+// PUBLIC API
+
+exports.Executor = httpLib.Executor;
+exports.HttpClient = HttpClient;
+exports.Request = httpLib.Request;
+exports.Response = httpLib.Response;

node_modules/selenium-webdriver/http/util.js

@@ -0,0 +1,175 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Various HTTP utilities.
+ */
+
+'use strict';
+
+const Executor = require('./index').Executor,
+    HttpClient = require('./index').HttpClient,
+    HttpRequest = require('./index').Request,
+    Command = require('../lib/command').Command,
+    CommandName = require('../lib/command').Name,
+    error = require('../lib/error'),
+    promise = require('../lib/promise');
+
+
+
+/**
+ * Queries a WebDriver server for its current status.
+ * @param {string} url Base URL of the server to query.
+ * @return {!Promise<!Object>} A promise that resolves with
+ *     a hash of the server status.
+ */
+function getStatus(url) {
+  var client = new HttpClient(url);
+  var executor = new Executor(client);
+  var command = new Command(CommandName.GET_SERVER_STATUS);
+  return executor.execute(command);
+}
+
+
+// PUBLIC API
+
+
+/**
+ * Queries a WebDriver server for its current status.
+ * @param {string} url Base URL of the server to query.
+ * @return {!Promise<!Object>} A promise that resolves with
+ *     a hash of the server status.
+ */
+exports.getStatus = getStatus;
+
+
+/**
+ * Waits for a WebDriver server to be healthy and accepting requests.
+ * @param {string} url Base URL of the server to query.
+ * @param {number} timeout How long to wait for the server.
+ * @param {Promise=} opt_cancelToken A promise used as a cancellation signal:
+ *     if resolved before the server is ready, the wait will be terminated
+ *     early with a {@link promise.CancellationError}.
+ * @return {!Promise} A promise that will resolve when the server is ready, or
+ *     if the wait is cancelled.
+ */
+exports.waitForServer = function(url, timeout, opt_cancelToken) {
+  return new Promise((onResolve, onReject) => {
+    let start = Date.now();
+
+    let done = false;
+    let resolve = (status) => {
+      done = true;
+      onResolve(status);
+    };
+    let reject = (err) => {
+      done = true;
+      onReject(err);
+    };
+
+    if (opt_cancelToken) {
+      opt_cancelToken.then(_ => reject(new promise.CancellationError));
+    }
+
+    checkServerStatus();
+    function checkServerStatus() {
+      return getStatus(url).then(status => resolve(status), onError);
+    }
+
+    function onError(e) {
+      // Some servers don't support the status command. If they are able to
+      // response with an error, then can consider the server ready.
+      if (e instanceof error.UnsupportedOperationError) {
+        resolve({});
+        return;
+      }
+
+      if (Date.now() - start > timeout) {
+        reject(Error('Timed out waiting for the WebDriver server at ' + url));
+      } else {
+        setTimeout(function() {
+          if (!done) {
+            checkServerStatus();
+          }
+        }, 50);
+      }
+    }
+  });
+};
+
+
+/**
+ * Polls a URL with GET requests until it returns a 2xx response or the
+ * timeout expires.
+ * @param {string} url The URL to poll.
+ * @param {number} timeout How long to wait, in milliseconds.
+ * @param {Promise=} opt_cancelToken A promise used as a cancellation signal:
+ *     if resolved before the a 2xx response is received, the wait will be
+ *     terminated early with a {@link promise.CancellationError}.
+ * @return {!Promise} A promise that will resolve when a 2xx is received from
+ *     the given URL, or if the wait is cancelled.
+ */
+exports.waitForUrl = function(url, timeout, opt_cancelToken) {
+  return new Promise((onResolve, onReject) => {
+    let client = new HttpClient(url);
+    let request = new HttpRequest('GET', '');
+    let start = Date.now();
+
+    let done = false;
+    let resolve = () => {
+      done = true;
+      onResolve();
+    };
+    let reject = (err) => {
+      done = true;
+      onReject(err);
+    };
+
+    if (opt_cancelToken) {
+      opt_cancelToken.then(_ => reject(new promise.CancellationError));
+    }
+
+    testUrl();
+
+    function testUrl() {
+      client.send(request).then(onResponse, onError);
+    }
+
+    function onError() {
+      if (Date.now() - start > timeout) {
+        reject(Error('Timed out waiting for the URL to return 2xx: ' + url));
+      } else {
+        setTimeout(function() {
+          if (!done) {
+            testUrl();
+          }
+        }, 50);
+      }
+    }
+
+    function onResponse(response) {
+      if (done) {
+        return;
+      }
+      if (response.status > 199 && response.status < 300) {
+        resolve();
+        return;
+      }
+      onError();
+    }
+  });
+};

node_modules/selenium-webdriver/ie.js

@@ -0,0 +1,441 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Defines a {@linkplain Driver WebDriver} client for Microsoft's
+ * Internet Explorer. Before using the IEDriver, you must download the latest
+ * [IEDriverServer](http://selenium-release.storage.googleapis.com/index.html)
+ * and place it on your
+ * [PATH](http://en.wikipedia.org/wiki/PATH_%28variable%29). You must also apply
+ * the system configuration outlined on the Selenium project
+ * [wiki](https://github.com/SeleniumHQ/selenium/wiki/InternetExplorerDriver)
+ */
+
+'use strict';
+
+const fs = require('fs'),
+    util = require('util');
+
+const http = require('./http'),
+    io = require('./io'),
+    capabilities = require('./lib/capabilities'),
+    promise = require('./lib/promise'),
+    webdriver = require('./lib/webdriver'),
+    portprober = require('./net/portprober'),
+    remote = require('./remote');
+
+
+const IEDRIVER_EXE = 'IEDriverServer.exe';
+
+
+
+/**
+ * IEDriverServer logging levels.
+ * @enum {string}
+ */
+const Level = {
+  FATAL: 'FATAL',
+  ERROR: 'ERROR',
+  WARN: 'WARN',
+  INFO: 'INFO',
+  DEBUG: 'DEBUG',
+  TRACE: 'TRACE'
+};
+
+
+
+/**
+ * Option keys:
+ * https://github.com/SeleniumHQ/selenium/wiki/DesiredCapabilities#ie-specific
+ * @enum {string}
+ */
+const Key = {
+  IGNORE_PROTECTED_MODE_SETTINGS: 'ignoreProtectedModeSettings',
+  IGNORE_ZOOM_SETTING: 'ignoreZoomSetting',
+  INITIAL_BROWSER_URL: 'initialBrowserUrl',
+  ENABLE_PERSISTENT_HOVER: 'enablePersistentHover',
+  ENABLE_ELEMENT_CACHE_CLEANUP: 'enableElementCacheCleanup',
+  REQUIRE_WINDOW_FOCUS: 'requireWindowFocus',
+  BROWSER_ATTACH_TIMEOUT: 'browserAttachTimeout',
+  FORCE_CREATE_PROCESS: 'ie.forceCreateProcessApi',
+  BROWSER_COMMAND_LINE_SWITCHES: 'ie.browserCommandLineSwitches',
+  USE_PER_PROCESS_PROXY: 'ie.usePerProcessProxy',
+  ENSURE_CLEAN_SESSION: 'ie.ensureCleanSession',
+  LOG_FILE: 'logFile',
+  LOG_LEVEL: 'logLevel',
+  HOST: 'host',
+  EXTRACT_PATH: 'extractPath',
+  SILENT: 'silent'
+};
+
+
+/**
+ * Class for managing IEDriver specific options.
+ */
+class Options {
+  constructor() {
+    /** @private {!Object<(boolean|number|string|!Array<string>)>} */
+    this.options_ = {};
+
+    /** @private {(capabilities.ProxyConfig|null)} */
+    this.proxy_ = null;
+  }
+
+  /**
+   * Extracts the IEDriver specific options from the given capabilities
+   * object.
+   * @param {!capabilities.Capabilities} caps The capabilities object.
+   * @return {!Options} The IEDriver options.
+   */
+  static fromCapabilities(caps) {
+    var options = new Options();
+    var map = options.options_;
+
+    Object.keys(Key).forEach(function(key) {
+      key = Key[key];
+      if (caps.has(key)) {
+        map[key] = caps.get(key);
+      }
+    });
+
+    if (caps.has(capabilities.Capability.PROXY)) {
+      options.setProxy(caps.get(capabilities.Capability.PROXY));
+    }
+
+    return options;
+  }
+
+  /**
+   * Whether to disable the protected mode settings check when the session is
+   * created. Disbling this setting may lead to significant instability as the
+   * browser may become unresponsive/hang. Only "best effort" support is provided
+   * when using this capability.
+   *
+   * For more information, refer to the IEDriver's
+   * [required system configuration](http://goo.gl/eH0Yi3).
+   *
+   * @param {boolean} ignoreSettings Whether to ignore protected mode settings.
+   * @return {!Options} A self reference.
+   */
+  introduceFlakinessByIgnoringProtectedModeSettings(ignoreSettings) {
+    this.options_[Key.IGNORE_PROTECTED_MODE_SETTINGS] = !!ignoreSettings;
+    return this;
+  }
+
+  /**
+   * Indicates whether to skip the check that the browser's zoom level is set to
+   * 100%.
+   *
+   * @param {boolean} ignore Whether to ignore the browser's zoom level settings.
+   * @return {!Options} A self reference.
+   */
+  ignoreZoomSetting(ignore) {
+    this.options_[Key.IGNORE_ZOOM_SETTING] = !!ignore;
+    return this;
+  }
+
+  /**
+   * Sets the initial URL loaded when IE starts. This is intended to be used with
+   * {@link #ignoreProtectedModeSettings} to allow the user to initialize IE in
+   * the proper Protected Mode zone. Setting this option may cause browser
+   * instability or flaky and unresponsive code. Only "best effort" support is
+   * provided when using this option.
+   *
+   * @param {string} url The initial browser URL.
+   * @return {!Options} A self reference.
+   */
+  initialBrowserUrl(url) {
+    this.options_[Key.INITIAL_BROWSER_URL] = url;
+    return this;
+  }
+
+  /**
+   * Configures whether to enable persistent mouse hovering (true by default).
+   * Persistent hovering is achieved by continuously firing mouse over events at
+   * the last location the mouse cursor has been moved to.
+   *
+   * @param {boolean} enable Whether to enable persistent hovering.
+   * @return {!Options} A self reference.
+   */
+  enablePersistentHover(enable) {
+    this.options_[Key.ENABLE_PERSISTENT_HOVER] = !!enable;
+    return this;
+  }
+
+  /**
+   * Configures whether the driver should attempt to remove obsolete
+   * {@linkplain webdriver.WebElement WebElements} from its internal cache on
+   * page navigation (true by default). Disabling this option will cause the
+   * driver to run with a larger memory footprint.
+   *
+   * @param {boolean} enable Whether to enable element reference cleanup.
+   * @return {!Options} A self reference.
+   */
+  enableElementCacheCleanup(enable) {
+    this.options_[Key.ENABLE_ELEMENT_CACHE_CLEANUP] = !!enable;
+    return this;
+  }
+
+  /**
+   * Configures whether to require the IE window to have input focus before
+   * performing any user interactions (i.e. mouse or keyboard events). This
+   * option is disabled by default, but delivers much more accurate interaction
+   * events when enabled.
+   *
+   * @param {boolean} require Whether to require window focus.
+   * @return {!Options} A self reference.
+   */
+  requireWindowFocus(require) {
+    this.options_[Key.REQUIRE_WINDOW_FOCUS] = !!require;
+    return this;
+  }
+
+  /**
+   * Configures the timeout, in milliseconds, that the driver will attempt to
+   * located and attach to a newly opened instance of Internet Explorer. The
+   * default is zero, which indicates waiting indefinitely.
+   *
+   * @param {number} timeout How long to wait for IE.
+   * @return {!Options} A self reference.
+   */
+  browserAttachTimeout(timeout) {
+    this.options_[Key.BROWSER_ATTACH_TIMEOUT] = Math.max(timeout, 0);
+    return this;
+  }
+
+  /**
+   * Configures whether to launch Internet Explorer using the CreateProcess API.
+   * If this option is not specified, IE is launched using IELaunchURL, if
+   * available. For IE 8 and above, this option requires the TabProcGrowth
+   * registry value to be set to 0.
+   *
+   * @param {boolean} force Whether to use the CreateProcess API.
+   * @return {!Options} A self reference.
+   */
+  forceCreateProcessApi(force) {
+    this.options_[Key.FORCE_CREATE_PROCESS] = !!force;
+    return this;
+  }
+
+  /**
+   * Specifies command-line switches to use when launching Internet Explorer.
+   * This is only valid when used with {@link #forceCreateProcessApi}.
+   *
+   * @param {...(string|!Array.<string>)} var_args The arguments to add.
+   * @return {!Options} A self reference.
+   */
+  addArguments(var_args) {
+    var args = this.options_[Key.BROWSER_COMMAND_LINE_SWITCHES] || [];
+    args = args.concat.apply(args, arguments);
+    this.options_[Key.BROWSER_COMMAND_LINE_SWITCHES] = args;
+    return this;
+  }
+
+  /**
+   * Configures whether proxies should be configured on a per-process basis. If
+   * not set, setting a {@linkplain #setProxy proxy} will configure the system
+   * proxy. The default behavior is to use the system proxy.
+   *
+   * @param {boolean} enable Whether to enable per-process proxy settings.
+   * @return {!Options} A self reference.
+   */
+  usePerProcessProxy(enable) {
+    this.options_[Key.USE_PER_PROCESS_PROXY] = !!enable;
+    return this;
+  }
+
+  /**
+   * Configures whether to clear the cache, cookies, history, and saved form data
+   * before starting the browser. _Using this capability will clear session data
+   * for all running instances of Internet Explorer, including those started
+   * manually._
+   *
+   * @param {boolean} cleanSession Whether to clear all session data on startup.
+   * @return {!Options} A self reference.
+   */
+  ensureCleanSession(cleanSession) {
+    this.options_[Key.ENSURE_CLEAN_SESSION] = !!cleanSession;
+    return this;
+  }
+
+  /**
+   * Sets the path to the log file the driver should log to.
+   * @param {string} file The log file path.
+   * @return {!Options} A self reference.
+   */
+  setLogFile(file) {
+    this.options_[Key.LOG_FILE] = file;
+    return this;
+  }
+
+  /**
+   * Sets the IEDriverServer's logging {@linkplain Level level}.
+   * @param {Level} level The logging level.
+   * @return {!Options} A self reference.
+   */
+  setLogLevel(level) {
+    this.options_[Key.LOG_LEVEL] = level;
+    return this;
+  }
+
+  /**
+   * Sets the IP address of the driver's host adapter.
+   * @param {string} host The IP address to use.
+   * @return {!Options} A self reference.
+   */
+  setHost(host) {
+    this.options_[Key.HOST] = host;
+    return this;
+  }
+
+  /**
+   * Sets the path of the temporary data directory to use.
+   * @param {string} path The log file path.
+   * @return {!Options} A self reference.
+   */
+  setExtractPath(path) {
+    this.options_[Key.EXTRACT_PATH] = path;
+    return this;
+  }
+
+  /**
+   * Sets whether the driver should start in silent mode.
+   * @param {boolean} silent Whether to run in silent mode.
+   * @return {!Options} A self reference.
+   */
+  silent(silent) {
+    this.options_[Key.SILENT] = silent;
+    return this;
+  }
+
+  /**
+   * Sets the proxy settings for the new session.
+   * @param {capabilities.ProxyConfig} proxy The proxy configuration to use.
+   * @return {!Options} A self reference.
+   */
+  setProxy(proxy) {
+    this.proxy_ = proxy;
+    return this;
+  }
+
+  /**
+   * Converts this options instance to a {@link capabilities.Capabilities}
+   * object.
+   * @param {capabilities.Capabilities=} opt_capabilities The capabilities to
+   *     merge these options into, if any.
+   * @return {!capabilities.Capabilities} The capabilities.
+   */
+  toCapabilities(opt_capabilities) {
+    var caps = opt_capabilities || capabilities.Capabilities.ie();
+    if (this.proxy_) {
+      caps.set(capabilities.Capability.PROXY, this.proxy_);
+    }
+    Object.keys(this.options_).forEach(function(key) {
+      caps.set(key, this.options_[key]);
+    }, this);
+    return caps;
+  }
+}
+
+
+function createServiceFromCapabilities(capabilities) {
+  if (process.platform !== 'win32') {
+    throw Error(
+        'The IEDriver may only be used on Windows, but you appear to be on ' +
+        process.platform + '. Did you mean to run against a remote ' +
+        'WebDriver server?');
+  }
+
+  let exe = io.findInPath(IEDRIVER_EXE, true);
+  if (!exe || !fs.existsSync(exe)) {
+    throw Error(
+        `${IEDRIVER_EXE} could not be found on the current PATH. Please ` +
+        `download the latest version of ${IEDRIVER_EXE} from ` +
+        'http://selenium-release.storage.googleapis.com/index.html and ' +
+        'ensure it can be found on your system PATH.');
+  }
+
+  var args = [];
+  if (capabilities.has(Key.HOST)) {
+    args.push('--host=' + capabilities.get(Key.HOST));
+  }
+  if (capabilities.has(Key.LOG_FILE)) {
+    args.push('--log-file=' + capabilities.get(Key.LOG_FILE));
+  }
+  if (capabilities.has(Key.LOG_LEVEL)) {
+    args.push('--log-level=' + capabilities.get(Key.LOG_LEVEL));
+  }
+  if (capabilities.has(Key.EXTRACT_PATH)) {
+    args.push('--extract-path=' + capabilities.get(Key.EXTRACT_PATH));
+  }
+  if (capabilities.get(Key.SILENT)) {
+    args.push('--silent');
+  }
+
+  var port = portprober.findFreePort();
+  return new remote.DriverService(exe, {
+    loopback: true,
+    port: port,
+    args: port.then(function(port) {
+      return args.concat('--port=' + port);
+    }),
+    stdio: 'ignore'
+  });
+}
+
+
+/**
+ * A WebDriver client for Microsoft's Internet Explorer.
+ */
+class Driver extends webdriver.WebDriver {
+  /**
+   * Creates a new session for Microsoft's Internet Explorer.
+   *
+   * @param {(capabilities.Capabilities|Options)=} opt_config The configuration
+   *     options.
+   * @param {promise.ControlFlow=} opt_flow The control flow to use,
+   *     or {@code null} to use the currently active flow.
+   * @return {!Driver} A new driver instance.
+   */
+  static createSession(opt_config, opt_flow) {
+    var caps = opt_config instanceof Options ?
+        opt_config.toCapabilities() :
+        (opt_config || capabilities.Capabilities.ie());
+
+    var service = createServiceFromCapabilities(caps);
+    var client = service.start().then(url => new http.HttpClient(url));
+    var executor = new http.Executor(client);
+
+    return /** @type {!Driver} */(super.createSession(
+        executor, caps, opt_flow, () => service.kill()));
+  }
+
+  /**
+   * This function is a no-op as file detectors are not supported by this
+   * implementation.
+   * @override
+   */
+  setFileDetector() {}
+}
+
+
+// PUBLIC API
+
+
+exports.Driver = Driver;
+exports.Options = Options;
+exports.Level = Level;

node_modules/selenium-webdriver/index.js

@@ -0,0 +1,694 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview The main user facing module. Exports WebDriver's primary
+ * public API and provides convenience assessors to certain sub-modules.
+ */
+
+'use strict';
+
+const chrome = require('./chrome');
+const edge = require('./edge');
+const firefox = require('./firefox');
+const _http = require('./http');
+const ie = require('./ie');
+const actions = require('./lib/actions');
+const by = require('./lib/by');
+const capabilities = require('./lib/capabilities');
+const command = require('./lib/command');
+const error = require('./lib/error');
+const events = require('./lib/events');
+const input = require('./lib/input');
+const logging = require('./lib/logging');
+const promise = require('./lib/promise');
+const session = require('./lib/session');
+const until = require('./lib/until');
+const webdriver = require('./lib/webdriver');
+const opera = require('./opera');
+const phantomjs = require('./phantomjs');
+const remote = require('./remote');
+const safari = require('./safari');
+
+const Browser = capabilities.Browser;
+const Capabilities = capabilities.Capabilities;
+const Capability = capabilities.Capability;
+const Session = session.Session;
+const WebDriver = webdriver.WebDriver;
+
+
+
+var seleniumServer;
+
+/**
+ * Starts an instance of the Selenium server if not yet running.
+ * @param {string} jar Path to the server jar to use.
+ * @return {!Promise<string>} A promise for the server's
+ *     address once started.
+ */
+function startSeleniumServer(jar) {
+  if (!seleniumServer) {
+    seleniumServer = new remote.SeleniumServer(jar);
+  }
+  return seleniumServer.start();
+}
+
+
+/**
+ * {@linkplain webdriver.WebDriver#setFileDetector WebDriver's setFileDetector}
+ * method uses a non-standard command to transfer files from the local client
+ * to the remote end hosting the browser. Many of the WebDriver sub-types, like
+ * the {@link chrome.Driver} and {@link firefox.Driver}, do not support this
+ * command. Thus, these classes override the `setFileDetector` to no-op.
+ *
+ * This function uses a mixin to re-enable `setFileDetector` by calling the
+ * original method on the WebDriver prototype directly. This is used only when
+ * the builder creates a Chrome or Firefox instance that communicates with a
+ * remote end (and thus, support for remote file detectors is unknown).
+ *
+ * @param {function(new: webdriver.WebDriver, ...?)} ctor
+ * @return {function(new: webdriver.WebDriver, ...?)}
+ */
+function ensureFileDetectorsAreEnabled(ctor) {
+  const mixin = class extends ctor {
+    /** @param {input.FileDetector} detector */
+    setFileDetector(detector) {
+      webdriver.WebDriver.prototype.setFileDetector.call(this, detector);
+    }
+  };
+  return mixin;
+}
+
+
+/**
+ * A thenable wrapper around a {@linkplain webdriver.IWebDriver IWebDriver}
+ * instance that allows commands to be issued directly instead of having to
+ * repeatedly call `then`:
+ *
+ *     let driver = new Builder().build();
+ *     driver.then(d => d.get(url));  // You can do this...
+ *     driver.get(url);               // ...or this
+ *
+ * If the driver instance fails to resolve (e.g. the session cannot be created),
+ * every issued command will fail.
+ *
+ * @extends {webdriver.IWebDriver}
+ * @extends {promise.CancellableThenable<!webdriver.IWebDriver>}
+ * @interface
+ */
+class ThenableWebDriver {
+  /** @param {...?} args */
+  static createSession(...args) {}
+}
+
+
+/**
+ * @const {!Map<function(new: WebDriver, !IThenable<!Session>, ...?),
+ *              function(new: ThenableWebDriver, !IThenable<!Session>, ...?)>}
+ */
+const THENABLE_DRIVERS = new Map;
+
+
+/**
+ * @param {function(new: WebDriver, !IThenable<!Session>, ...?)} ctor
+ * @param {...?} args
+ * @return {!ThenableWebDriver}
+ */
+function createDriver(ctor, ...args) {
+  let thenableWebDriverProxy = THENABLE_DRIVERS.get(ctor);
+  if (!thenableWebDriverProxy) {
+    /**
+     * @extends {WebDriver}  // Needed since `ctor` is dynamically typed.
+     * @implements {ThenableWebDriver}
+     */
+    thenableWebDriverProxy = class extends ctor {
+      /**
+       * @param {!IThenable<!Session>} session
+       * @param {...?} rest
+       */
+      constructor(session, ...rest) {
+        super(session, ...rest);
+
+        const pd = this.getSession().then(session => {
+          return new ctor(session, ...rest);
+        });
+
+        /**
+         * @param {(string|Error)=} opt_reason
+         * @override
+         */
+        this.cancel = function(opt_reason) {
+          if (promise.CancellableThenable.isImplementation(pd)) {
+            /** @type {!promise.CancellableThenable} */(pd).cancel(opt_reason);
+          }
+        };
+
+        /** @override */
+        this.then = pd.then.bind(pd);
+
+        /** @override */
+        this.catch = pd.then.bind(pd);
+      }
+    };
+    promise.CancellableThenable.addImplementation(thenableWebDriverProxy);
+    THENABLE_DRIVERS.set(ctor, thenableWebDriverProxy);
+  }
+  return thenableWebDriverProxy.createSession(...args);
+}
+
+
+/**
+ * Creates new {@link webdriver.WebDriver WebDriver} instances. The environment
+ * variables listed below may be used to override a builder's configuration,
+ * allowing quick runtime changes.
+ *
+ * - {@code SELENIUM_BROWSER}: defines the target browser in the form
+ *   {@code browser[:version][:platform]}.
+ *
+ * - {@code SELENIUM_REMOTE_URL}: defines the remote URL for all builder
+ *   instances. This environment variable should be set to a fully qualified
+ *   URL for a WebDriver server (e.g. http://localhost:4444/wd/hub). This
+ *   option always takes precedence over {@code SELENIUM_SERVER_JAR}.
+ *
+ * - {@code SELENIUM_SERVER_JAR}: defines the path to the
+ *   <a href="http://selenium-release.storage.googleapis.com/index.html">
+ *   standalone Selenium server</a> jar to use. The server will be started the
+ *   first time a WebDriver instance and be killed when the process exits.
+ *
+ * Suppose you had mytest.js that created WebDriver with
+ *
+ *     var driver = new webdriver.Builder()
+ *         .forBrowser('chrome')
+ *         .build();
+ *
+ * This test could be made to use Firefox on the local machine by running with
+ * `SELENIUM_BROWSER=firefox node mytest.js`. Rather than change the code to
+ * target Google Chrome on a remote machine, you can simply set the
+ * `SELENIUM_BROWSER` and `SELENIUM_REMOTE_URL` environment variables:
+ *
+ *     SELENIUM_BROWSER=chrome:36:LINUX \
+ *     SELENIUM_REMOTE_URL=http://www.example.com:4444/wd/hub \
+ *     node mytest.js
+ *
+ * You could also use a local copy of the standalone Selenium server:
+ *
+ *     SELENIUM_BROWSER=chrome:36:LINUX \
+ *     SELENIUM_SERVER_JAR=/path/to/selenium-server-standalone.jar \
+ *     node mytest.js
+ */
+class Builder {
+  constructor() {
+    /** @private @const */
+    this.log_ = logging.getLogger('webdriver.Builder');
+
+    /** @private {promise.ControlFlow} */
+    this.flow_ = null;
+
+    /** @private {string} */
+    this.url_ = '';
+
+    /** @private {?string} */
+    this.proxy_ = null;
+
+    /** @private {!Capabilities} */
+    this.capabilities_ = new Capabilities();
+
+    /** @private {chrome.Options} */
+    this.chromeOptions_ = null;
+
+    /** @private {firefox.Options} */
+    this.firefoxOptions_ = null;
+
+    /** @private {opera.Options} */
+    this.operaOptions_ = null;
+
+    /** @private {ie.Options} */
+    this.ieOptions_ = null;
+
+    /** @private {safari.Options} */
+    this.safariOptions_ = null;
+
+    /** @private {edge.Options} */
+    this.edgeOptions_ = null;
+
+    /** @private {boolean} */
+    this.ignoreEnv_ = false;
+
+    /** @private {http.Agent} */
+    this.agent_ = null;
+  }
+
+  /**
+   * Configures this builder to ignore any environment variable overrides and to
+   * only use the configuration specified through this instance's API.
+   *
+   * @return {!Builder} A self reference.
+   */
+  disableEnvironmentOverrides() {
+    this.ignoreEnv_ = true;
+    return this;
+  }
+
+  /**
+   * Sets the URL of a remote WebDriver server to use. Once a remote URL has
+   * been specified, the builder direct all new clients to that server. If this
+   * method is never called, the Builder will attempt to create all clients
+   * locally.
+   *
+   * As an alternative to this method, you may also set the
+   * `SELENIUM_REMOTE_URL` environment variable.
+   *
+   * @param {string} url The URL of a remote server to use.
+   * @return {!Builder} A self reference.
+   */
+  usingServer(url) {
+    this.url_ = url;
+    return this;
+  }
+
+  /**
+   * @return {string} The URL of the WebDriver server this instance is
+   *     configured to use.
+   */
+  getServerUrl() {
+    return this.url_;
+  }
+
+  /**
+   * Sets the URL of the proxy to use for the WebDriver's HTTP connections.
+   * If this method is never called, the Builder will create a connection
+   * without a proxy.
+   *
+   * @param {string} proxy The URL of a proxy to use.
+   * @return {!Builder} A self reference.
+   */
+  usingWebDriverProxy(proxy) {
+    this.proxy_ = proxy;
+    return this;
+  }
+
+  /**
+   * @return {?string} The URL of the proxy server to use for the WebDriver's
+   *    HTTP connections, or `null` if not set.
+   */
+  getWebDriverProxy() {
+    return this.proxy_;
+  }
+
+  /**
+   * Sets the http agent to use for each request.
+   * If this method is not called, the Builder will use http.globalAgent by default.
+   *
+   * @param {http.Agent} agent The agent to use for each request.
+   * @return {!Builder} A self reference.
+   */
+  usingHttpAgent(agent) {
+    this.agent_ = agent;
+    return this;
+  }
+
+  /**
+   * @return {http.Agent} The http agent used for each request
+   */
+  getHttpAgent() {
+    return this.agent_;
+  }
+
+  /**
+   * Sets the desired capabilities when requesting a new session. This will
+   * overwrite any previously set capabilities.
+   * @param {!(Object|Capabilities)} capabilities The desired capabilities for
+   *     a new session.
+   * @return {!Builder} A self reference.
+   */
+  withCapabilities(capabilities) {
+    this.capabilities_ = new Capabilities(capabilities);
+    return this;
+  }
+
+  /**
+   * Returns the base set of capabilities this instance is currently configured
+   * to use.
+   * @return {!Capabilities} The current capabilities for this builder.
+   */
+  getCapabilities() {
+    return this.capabilities_;
+  }
+
+  /**
+   * Configures the target browser for clients created by this instance.
+   * Any calls to {@link #withCapabilities} after this function will
+   * overwrite these settings.
+   *
+   * You may also define the target browser using the {@code SELENIUM_BROWSER}
+   * environment variable. If set, this environment variable should be of the
+   * form `browser[:[version][:platform]]`.
+   *
+   * @param {(string|Browser)} name The name of the target browser;
+   *     common defaults are available on the {@link webdriver.Browser} enum.
+   * @param {string=} opt_version A desired version; may be omitted if any
+   *     version should be used.
+   * @param {string=} opt_platform The desired platform; may be omitted if any
+   *     version may be used.
+   * @return {!Builder} A self reference.
+   */
+  forBrowser(name, opt_version, opt_platform) {
+    this.capabilities_.set(Capability.BROWSER_NAME, name);
+    this.capabilities_.set(Capability.VERSION, opt_version || null);
+    this.capabilities_.set(Capability.PLATFORM, opt_platform || null);
+    return this;
+  }
+
+  /**
+   * Sets the proxy configuration for the target browser.
+   * Any calls to {@link #withCapabilities} after this function will
+   * overwrite these settings.
+   *
+   * @param {!capabilities.ProxyConfig} config The configuration to use.
+   * @return {!Builder} A self reference.
+   */
+  setProxy(config) {
+    this.capabilities_.setProxy(config);
+    return this;
+  }
+
+  /**
+   * Sets the logging preferences for the created session. Preferences may be
+   * changed by repeated calls, or by calling {@link #withCapabilities}.
+   * @param {!(./lib/logging.Preferences|Object<string, string>)} prefs The
+   *     desired logging preferences.
+   * @return {!Builder} A self reference.
+   */
+  setLoggingPrefs(prefs) {
+    this.capabilities_.setLoggingPrefs(prefs);
+    return this;
+  }
+
+  /**
+   * Sets whether native events should be used.
+   * @param {boolean} enabled Whether to enable native events.
+   * @return {!Builder} A self reference.
+   */
+  setEnableNativeEvents(enabled) {
+    this.capabilities_.setEnableNativeEvents(enabled);
+    return this;
+  }
+
+  /**
+   * Sets how elements should be scrolled into view for interaction.
+   * @param {number} behavior The desired scroll behavior: either 0 to align
+   *     with the top of the viewport or 1 to align with the bottom.
+   * @return {!Builder} A self reference.
+   */
+  setScrollBehavior(behavior) {
+    this.capabilities_.setScrollBehavior(behavior);
+    return this;
+  }
+
+  /**
+   * Sets the default action to take with an unexpected alert before returning
+   * an error.
+   * @param {string} behavior The desired behavior; should be "accept",
+   *     "dismiss", or "ignore". Defaults to "dismiss".
+   * @return {!Builder} A self reference.
+   */
+  setAlertBehavior(behavior) {
+    this.capabilities_.setAlertBehavior(behavior);
+    return this;
+  }
+
+  /**
+   * Sets Chrome specific {@linkplain chrome.Options options} for drivers
+   * created by this builder. Any logging or proxy settings defined on the given
+   * options will take precedence over those set through
+   * {@link #setLoggingPrefs} and {@link #setProxy}, respectively.
+   *
+   * @param {!chrome.Options} options The ChromeDriver options to use.
+   * @return {!Builder} A self reference.
+   */
+  setChromeOptions(options) {
+    this.chromeOptions_ = options;
+    return this;
+  }
+
+  /**
+   * Sets Firefox specific {@linkplain firefox.Options options} for drivers
+   * created by this builder. Any logging or proxy settings defined on the given
+   * options will take precedence over those set through
+   * {@link #setLoggingPrefs} and {@link #setProxy}, respectively.
+   *
+   * @param {!firefox.Options} options The FirefoxDriver options to use.
+   * @return {!Builder} A self reference.
+   */
+  setFirefoxOptions(options) {
+    this.firefoxOptions_ = options;
+    return this;
+  }
+
+  /**
+   * @return {firefox.Options} the Firefox specific options currently configured
+   *     for this instance.
+   */
+  getFirefoxOptions() {
+    return this.firefoxOptions_;
+  }
+
+  /**
+   * Sets Opera specific {@linkplain opera.Options options} for drivers created
+   * by this builder. Any logging or proxy settings defined on the given options
+   * will take precedence over those set through {@link #setLoggingPrefs} and
+   * {@link #setProxy}, respectively.
+   *
+   * @param {!opera.Options} options The OperaDriver options to use.
+   * @return {!Builder} A self reference.
+   */
+  setOperaOptions(options) {
+    this.operaOptions_ = options;
+    return this;
+  }
+
+  /**
+   * Set Internet Explorer specific {@linkplain ie.Options options} for drivers
+   * created by this builder. Any proxy settings defined on the given options
+   * will take precedence over those set through {@link #setProxy}.
+   *
+   * @param {!ie.Options} options The IEDriver options to use.
+   * @return {!Builder} A self reference.
+   */
+  setIeOptions(options) {
+    this.ieOptions_ = options;
+    return this;
+  }
+
+  /**
+   * Set {@linkplain edge.Options options} specific to Microsoft's Edge browser
+   * for drivers created by this builder. Any proxy settings defined on the
+   * given options will take precedence over those set through
+   * {@link #setProxy}.
+   *
+   * @param {!edge.Options} options The MicrosoftEdgeDriver options to use.
+   * @return {!Builder} A self reference.
+   */
+  setEdgeOptions(options) {
+    this.edgeOptions_ = options;
+    return this;
+  }
+
+  /**
+   * Sets Safari specific {@linkplain safari.Options options} for drivers
+   * created by this builder. Any logging settings defined on the given options
+   * will take precedence over those set through {@link #setLoggingPrefs}.
+   *
+   * @param {!safari.Options} options The Safari options to use.
+   * @return {!Builder} A self reference.
+   */
+  setSafariOptions(options) {
+    this.safariOptions_ = options;
+    return this;
+  }
+
+  /**
+   * @return {safari.Options} the Safari specific options currently configured
+   *     for this instance.
+   */
+  getSafariOptions() {
+    return this.safariOptions_;
+  }
+
+  /**
+   * Sets the control flow that created drivers should execute actions in. If
+   * the flow is never set, or is set to {@code null}, it will use the active
+   * flow at the time {@link #build()} is called.
+   * @param {promise.ControlFlow} flow The control flow to use, or
+   *     {@code null} to
+   * @return {!Builder} A self reference.
+   */
+  setControlFlow(flow) {
+    this.flow_ = flow;
+    return this;
+  }
+
+  /**
+   * Creates a new WebDriver client based on this builder's current
+   * configuration.
+   *
+   * This method will return a {@linkplain ThenableWebDriver} instance, allowing
+   * users to issue commands directly without calling `then()`. The returned
+   * thenable wraps a promise that will resolve to a concrete
+   * {@linkplain webdriver.WebDriver WebDriver} instance. The promise will be
+   * rejected if the remote end fails to create a new session.
+   *
+   * @return {!ThenableWebDriver} A new WebDriver instance.
+   * @throws {Error} If the current configuration is invalid.
+   */
+  build() {
+    // Create a copy for any changes we may need to make based on the current
+    // environment.
+    var capabilities = new Capabilities(this.capabilities_);
+
+    var browser;
+    if (!this.ignoreEnv_ && process.env.SELENIUM_BROWSER) {
+      this.log_.fine(`SELENIUM_BROWSER=${process.env.SELENIUM_BROWSER}`);
+      browser = process.env.SELENIUM_BROWSER.split(/:/, 3);
+      capabilities.set(Capability.BROWSER_NAME, browser[0]);
+      capabilities.set(Capability.VERSION, browser[1] || null);
+      capabilities.set(Capability.PLATFORM, browser[2] || null);
+    }
+
+    browser = capabilities.get(Capability.BROWSER_NAME);
+
+    if (typeof browser !== 'string') {
+      throw TypeError(
+          `Target browser must be a string, but is <${typeof browser}>;` +
+          ' did you forget to call forBrowser()?');
+    }
+
+    if (browser === 'ie') {
+      browser = Browser.INTERNET_EXPLORER;
+    }
+
+    // Apply browser specific overrides.
+    if (browser === Browser.CHROME && this.chromeOptions_) {
+      capabilities.merge(this.chromeOptions_.toCapabilities());
+
+    } else if (browser === Browser.FIREFOX && this.firefoxOptions_) {
+      capabilities.merge(this.firefoxOptions_.toCapabilities());
+
+    } else if (browser === Browser.INTERNET_EXPLORER && this.ieOptions_) {
+      capabilities.merge(this.ieOptions_.toCapabilities());
+
+    } else if (browser === Browser.OPERA && this.operaOptions_) {
+      capabilities.merge(this.operaOptions_.toCapabilities());
+
+    } else if (browser === Browser.SAFARI && this.safariOptions_) {
+      capabilities.merge(this.safariOptions_.toCapabilities());
+
+    } else if (browser === Browser.EDGE && this.edgeOptions_) {
+      capabilities.merge(this.edgeOptions_.toCapabilities());
+    }
+
+    // Check for a remote browser.
+    let url = this.url_;
+    if (!this.ignoreEnv_) {
+      if (process.env.SELENIUM_REMOTE_URL) {
+        this.log_.fine(
+            `SELENIUM_REMOTE_URL=${process.env.SELENIUM_REMOTE_URL}`);
+        url = process.env.SELENIUM_REMOTE_URL;
+      } else if (process.env.SELENIUM_SERVER_JAR) {
+        this.log_.fine(
+            `SELENIUM_SERVER_JAR=${process.env.SELENIUM_SERVER_JAR}`);
+        url = startSeleniumServer(process.env.SELENIUM_SERVER_JAR);
+      }
+    }
+
+    if (url) {
+      this.log_.fine('Creating session on remote server');
+      let client = Promise.resolve(url)
+          .then(url => new _http.HttpClient(url, this.agent_, this.proxy_));
+      let executor = new _http.Executor(client);
+
+      if (browser === Browser.CHROME) {
+        const driver = ensureFileDetectorsAreEnabled(chrome.Driver);
+        return createDriver(
+            driver, capabilities, executor, this.flow_);
+      }
+
+      if (browser === Browser.FIREFOX) {
+        const driver = ensureFileDetectorsAreEnabled(firefox.Driver);
+        return createDriver(
+            driver, capabilities, executor, this.flow_);
+      }
+      return createDriver(
+          WebDriver, executor, capabilities, this.flow_);
+    }
+
+    // Check for a native browser.
+    switch (browser) {
+      case Browser.CHROME:
+        return createDriver(chrome.Driver, capabilities, null, this.flow_);
+
+      case Browser.FIREFOX:
+        return createDriver(firefox.Driver, capabilities, null, this.flow_);
+
+      case Browser.INTERNET_EXPLORER:
+        return createDriver(ie.Driver, capabilities, this.flow_);
+
+      case Browser.EDGE:
+        return createDriver(edge.Driver, capabilities, null, this.flow_);
+
+      case Browser.OPERA:
+        return createDriver(opera.Driver, capabilities, null, this.flow_);
+
+      case Browser.PHANTOM_JS:
+        return createDriver(phantomjs.Driver, capabilities, this.flow_);
+
+      case Browser.SAFARI:
+        return createDriver(safari.Driver, capabilities, this.flow_);
+
+      default:
+        throw new Error('Do not know how to build driver: ' + browser
+            + '; did you forget to call usingServer(url)?');
+    }
+  }
+}
+
+
+// PUBLIC API
+
+
+exports.ActionSequence = actions.ActionSequence;
+exports.Browser = capabilities.Browser;
+exports.Builder = Builder;
+exports.Button = input.Button;
+exports.By = by.By;
+exports.Capabilities = capabilities.Capabilities;
+exports.Capability = capabilities.Capability;
+exports.Condition = webdriver.Condition;
+exports.EventEmitter = events.EventEmitter;
+exports.FileDetector = input.FileDetector;
+exports.Key = input.Key;
+exports.Session = session.Session;
+exports.ThenableWebDriver = ThenableWebDriver;
+exports.TouchSequence = actions.TouchSequence;
+exports.WebDriver = webdriver.WebDriver;
+exports.WebElement = webdriver.WebElement;
+exports.WebElementCondition = webdriver.WebElementCondition;
+exports.WebElementPromise = webdriver.WebElementPromise;
+exports.error = error;
+exports.logging = logging;
+exports.promise = promise;
+exports.until = until;

node_modules/selenium-webdriver/io/exec.js

@@ -0,0 +1,153 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+const childProcess = require('child_process');
+
+
+/**
+ * A hash with configuration options for an executed command.
+ *
+ * - `args` - Command line arguments.
+ * - `env` - Command environment; will inherit from the current process if
+ *     missing.
+ * - `stdio` - IO configuration for the spawned server process. For more
+ *     information, refer to the documentation of `child_process.spawn`.
+ *
+ * @typedef {{
+ *   args: (!Array<string>|undefined),
+ *   env: (!Object<string, string>|undefined),
+ *   stdio: (string|!Array<string|number|!stream.Stream|null|undefined>|
+ *           undefined)
+ * }}
+ */
+var Options;
+
+
+/**
+ * Describes a command's termination conditions.
+ */
+class Result {
+  /**
+   * @param {?number} code The exit code, or {@code null} if the command did not
+   *     exit normally.
+   * @param {?string} signal The signal used to kill the command, or
+   *     {@code null}.
+   */
+  constructor(code, signal) {
+    /** @type {?number} */
+    this.code = code;
+
+    /** @type {?string} */
+    this.signal = signal;
+  }
+
+  /** @override */
+  toString() {
+    return `Result(code=${this.code}, signal=${this.signal})`;
+  }
+}
+
+
+const COMMAND_RESULT = /** !WeakMap<!Command, !Promise<!Result>> */new WeakMap;
+const KILL_HOOK = /** !WeakMap<!Command, function(string)> */new WeakMap;
+
+/**
+ * Represents a command running in a sub-process.
+ */
+class Command {
+  /**
+   * @param {!Promise<!Result>} result The command result.
+   * @param {function(string)} onKill The function to call when {@link #kill()}
+   *     is called.
+   */
+  constructor(result, onKill) {
+    COMMAND_RESULT.set(this, result);
+    KILL_HOOK.set(this, onKill);
+  }
+
+  /**
+   * @return {!Promise<!Result>} A promise for the result of this
+   *     command.
+   */
+  result() {
+    return /** @type {!Promise<!Result>} */(COMMAND_RESULT.get(this));
+  }
+
+  /**
+   * Sends a signal to the underlying process.
+   * @param {string=} opt_signal The signal to send; defaults to `SIGTERM`.
+   */
+  kill(opt_signal) {
+    KILL_HOOK.get(this)(opt_signal || 'SIGTERM');
+  }
+}
+
+
+// PUBLIC API
+
+
+/**
+ * Spawns a child process. The returned {@link Command} may be used to wait
+ * for the process result or to send signals to the process.
+ *
+ * @param {string} command The executable to spawn.
+ * @param {Options=} opt_options The command options.
+ * @return {!Command} The launched command.
+ */
+module.exports = function exec(command, opt_options) {
+  var options = opt_options || {};
+
+  var proc = childProcess.spawn(command, options.args || [], {
+    env: options.env || process.env,
+    stdio: options.stdio || 'ignore'
+  });
+
+  // This process should not wait on the spawned child, however, we do
+  // want to ensure the child is killed when this process exits.
+  proc.unref();
+  process.once('exit', onProcessExit);
+
+  let result = new Promise(resolve => {
+    proc.once('exit', (code, signal) => {
+      proc = null;
+      process.removeListener('exit', onProcessExit);
+      resolve(new Result(code, signal));
+    });
+  });
+  return new Command(result, killCommand);
+
+  function onProcessExit() {
+    killCommand('SIGTERM');
+  }
+
+  function killCommand(signal) {
+    process.removeListener('exit', onProcessExit);
+    if (proc) {
+      proc.kill(signal);
+      proc = null;
+    }
+  }
+};
+
+// Exported to improve generated API documentation.
+
+module.exports.Command = Command;
+/** @typedef {!Options} */
+module.exports.Options = Options;
+module.exports.Result = Result;

node_modules/selenium-webdriver/io/index.js

@@ -0,0 +1,359 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+var fs = require('fs'),
+    path = require('path'),
+    rimraf = require('rimraf'),
+    tmp = require('tmp');
+
+
+/**
+ * @param {!Function} fn .
+ * @return {!Promise<T>} .
+ * @template T
+ */
+function checkedCall(fn) {
+  return new Promise((resolve, reject) => {
+    try {
+      fn((err, value) => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve(value);
+        }
+      });
+    } catch (e) {
+      reject(e);
+    }
+  });
+}
+
+
+
+// PUBLIC API
+
+
+
+/**
+ * Recursively removes a directory and all of its contents. This is equivalent
+ * to {@code rm -rf} on a POSIX system.
+ * @param {string} dirPath Path to the directory to remove.
+ * @return {!Promise} A promise to be resolved when the operation has
+ *     completed.
+ */
+exports.rmDir = function(dirPath) {
+  return new Promise(function(fulfill, reject) {
+    var numAttempts = 0;
+    attemptRm();
+    function attemptRm() {
+      numAttempts += 1;
+      rimraf(dirPath, function(err) {
+        if (err) {
+          if (err.code && err.code === 'ENOTEMPTY' && numAttempts < 2) {
+            attemptRm();
+            return;
+          }
+          reject(err);
+        } else {
+          fulfill();
+        }
+      });
+    }
+  });
+};
+
+
+/**
+ * Copies one file to another.
+ * @param {string} src The source file.
+ * @param {string} dst The destination file.
+ * @return {!Promise<string>} A promise for the copied file's path.
+ */
+exports.copy = function(src, dst) {
+  return new Promise(function(fulfill, reject) {
+    var rs = fs.createReadStream(src);
+    rs.on('error', reject);
+    rs.on('end', () => fulfill(dst));
+
+    var ws = fs.createWriteStream(dst);
+    ws.on('error', reject);
+
+    rs.pipe(ws);
+  });
+};
+
+
+/**
+ * Recursively copies the contents of one directory to another.
+ * @param {string} src The source directory to copy.
+ * @param {string} dst The directory to copy into.
+ * @param {(RegExp|function(string): boolean)=} opt_exclude An exclusion filter
+ *     as either a regex or predicate function. All files matching this filter
+ *     will not be copied.
+ * @return {!Promise<string>} A promise for the destination
+ *     directory's path once all files have been copied.
+ */
+exports.copyDir = function(src, dst, opt_exclude) {
+  var predicate = opt_exclude;
+  if (opt_exclude && typeof opt_exclude !== 'function') {
+    predicate = function(p) {
+      return !opt_exclude.test(p);
+    };
+  }
+
+  // TODO(jleyba): Make this function completely async.
+  if (!fs.existsSync(dst)) {
+    fs.mkdirSync(dst);
+  }
+
+  var files = fs.readdirSync(src);
+  files = files.map(function(file) {
+    return path.join(src, file);
+  });
+
+  if (predicate) {
+    files = files.filter(/** @type {function(string): boolean} */(predicate));
+  }
+
+  var results = [];
+  files.forEach(function(file) {
+    var stats = fs.statSync(file);
+    var target = path.join(dst, path.basename(file));
+
+    if (stats.isDirectory()) {
+      if (!fs.existsSync(target)) {
+        fs.mkdirSync(target, stats.mode);
+      }
+      results.push(exports.copyDir(file, target, predicate));
+    } else {
+      results.push(exports.copy(file, target));
+    }
+  });
+
+  return Promise.all(results).then(() => dst);
+};
+
+
+/**
+ * Tests if a file path exists.
+ * @param {string} aPath The path to test.
+ * @return {!Promise<boolean>} A promise for whether the file exists.
+ */
+exports.exists = function(aPath) {
+  return new Promise(function(fulfill, reject) {
+    let type = typeof aPath;
+    if (type !== 'string') {
+      reject(TypeError(`expected string path, but got ${type}`));
+    } else {
+      fs.exists(aPath, fulfill);
+    }
+  });
+};
+
+
+/**
+ * Calls `stat(2)`.
+ * @param {string} aPath The path to stat.
+ * @return {!Promise<!fs.Stats>} A promise for the file stats.
+ */
+exports.stat = function stat(aPath) {
+  return checkedCall(callback => fs.stat(aPath, callback));
+};
+
+
+/**
+ * Deletes a name from the filesystem and possibly the file it refers to. Has
+ * no effect if the file does not exist.
+ * @param {string} aPath The path to remove.
+ * @return {!Promise} A promise for when the file has been removed.
+ */
+exports.unlink = function(aPath) {
+  return new Promise(function(fulfill, reject) {
+    fs.exists(aPath, function(exists) {
+      if (exists) {
+        fs.unlink(aPath, function(err) {
+          err && reject(err) || fulfill();
+        });
+      } else {
+        fulfill();
+      }
+    });
+  });
+};
+
+
+/**
+ * @return {!Promise<string>} A promise for the path to a temporary directory.
+ * @see https://www.npmjs.org/package/tmp
+ */
+exports.tmpDir = function() {
+  return checkedCall(tmp.dir);
+};
+
+
+/**
+ * @param {{postfix: string}=} opt_options Temporary file options.
+ * @return {!Promise<string>} A promise for the path to a temporary file.
+ * @see https://www.npmjs.org/package/tmp
+ */
+exports.tmpFile = function(opt_options) {
+  return checkedCall(callback => {
+    // |tmp.file| checks arguments length to detect options rather than doing a
+    // truthy check, so we must only pass options if there are some to pass.
+    if (opt_options) {
+      tmp.file(opt_options, callback);
+    } else {
+      tmp.file(callback);
+    }
+  });
+};
+
+
+/**
+ * Searches the {@code PATH} environment variable for the given file.
+ * @param {string} file The file to locate on the PATH.
+ * @param {boolean=} opt_checkCwd Whether to always start with the search with
+ *     the current working directory, regardless of whether it is explicitly
+ *     listed on the PATH.
+ * @return {?string} Path to the located file, or {@code null} if it could
+ *     not be found.
+ */
+exports.findInPath = function(file, opt_checkCwd) {
+  let dirs = [];
+  if (opt_checkCwd) {
+    dirs.push(process.cwd());
+  }
+  dirs.push.apply(dirs, process.env['PATH'].split(path.delimiter));
+
+  let foundInDir = dirs.find(dir => {
+    let tmp = path.join(dir, file);
+    try {
+      let stats = fs.statSync(tmp);
+      return stats.isFile() && !stats.isDirectory();
+    } catch (ex) {
+      return false;
+    }
+  });
+
+  return foundInDir ? path.join(foundInDir, file) : null;
+};
+
+
+/**
+ * Reads the contents of the given file.
+ *
+ * @param {string} aPath Path to the file to read.
+ * @return {!Promise<!Buffer>} A promise that will resolve with a buffer of the
+ *     file contents.
+ */
+exports.read = function(aPath) {
+  return checkedCall(callback => fs.readFile(aPath, callback));
+};
+
+
+/**
+ * Writes to a file.
+ *
+ * @param {string} aPath Path to the file to write to.
+ * @param {(string|!Buffer)} data The data to write.
+ * @return {!Promise} A promise that will resolve when the operation has
+ *     completed.
+ */
+exports.write = function(aPath, data) {
+  return checkedCall(callback => fs.writeFile(aPath, data, callback));
+};
+
+
+/**
+ * Creates a directory.
+ *
+ * @param {string} aPath The directory path.
+ * @return {!Promise<string>} A promise that will resolve with the path of the
+ *     created directory.
+ */
+exports.mkdir = function(aPath) {
+  return checkedCall(callback => {
+    fs.mkdir(aPath, undefined, err => {
+      if (err && err.code !== 'EEXIST') {
+        callback(err);
+      } else {
+        callback(null, aPath);
+      }
+    });
+  });
+};
+
+
+/**
+ * Recursively creates a directory and any ancestors that do not yet exist.
+ *
+ * @param {string} dir The directory path to create.
+ * @return {!Promise<string>} A promise that will resolve with the path of the
+ *     created directory.
+ */
+exports.mkdirp = function mkdirp(dir) {
+  return checkedCall(callback => {
+    fs.mkdir(dir, undefined, err => {
+      if (!err) {
+        callback(null, dir);
+        return;
+      }
+
+      switch (err.code) {
+        case 'EEXIST':
+          callback(null, dir);
+          return;
+        case 'ENOENT':
+          return mkdirp(path.dirname(dir))
+              .then(() => mkdirp(dir))
+              .then(() => callback(null, dir), err => callback(err));
+        default:
+          callback(err);
+          return;
+      }
+    });
+  });
+};
+
+
+/**
+ * Recursively walks a directory, returning a promise that will resolve with
+ * a list of all files/directories seen.
+ *
+ * @param {string} rootPath the directory to walk.
+ * @return {!Promise<!Array<{path: string, dir: boolean}>>} a promise that will
+ *     resolve with a list of entries seen. For each entry, the recorded path
+ *     will be relative to `rootPath`.
+ */
+exports.walkDir = function(rootPath) {
+  let seen = [];
+  return (function walk(dir) {
+    return checkedCall(callback => fs.readdir(dir, callback))
+        .then(files => Promise.all(files.map(file => {
+          file = path.join(dir, file);
+          return checkedCall(cb => fs.stat(file, cb)).then(stats => {
+            seen.push({
+              path: path.relative(rootPath, file),
+              dir: stats.isDirectory()
+            });
+            return stats.isDirectory() && walk(file);
+          });
+        })));
+  })(rootPath).then(() => seen);
+};

node_modules/selenium-webdriver/lib/README

@@ -0,0 +1,5 @@
+This directory contains modules internal to selenium-webdriver that are not
+intended for general consumption. They may change at any time.
+
+All files in this directory and the atoms/ subdirectory may only depend on
+built-in JavaScript features and other modules in this directory.

node_modules/selenium-webdriver/lib/actions.js

@@ -0,0 +1,604 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+const command = require('./command');
+const error = require('./error');
+const input = require('./input');
+
+
+/**
+ * @param {!IArrayLike} args .
+ * @return {!Array} .
+ */
+function flatten(args) {
+  let result = [];
+  for (let i = 0; i < args.length; i++) {
+    let element = args[i];
+    if (Array.isArray(element)) {
+      result.push.apply(result, flatten(element));
+    } else {
+      result.push(element);
+    }
+  }
+  return result;
+}
+
+
+const MODIFIER_KEYS = new Set([
+  input.Key.ALT,
+  input.Key.CONTROL,
+  input.Key.SHIFT,
+  input.Key.COMMAND
+]);
+
+
+/**
+ * Checks that a key is a modifier key.
+ * @param {!input.Key} key The key to check.
+ * @throws {error.InvalidArgumentError} If the key is not a modifier key.
+ * @private
+ */
+function checkModifierKey(key) {
+  if (!MODIFIER_KEYS.has(key)) {
+    throw new error.InvalidArgumentError('Not a modifier key');
+  }
+}
+
+
+/**
+ * Class for defining sequences of complex user interactions. Each sequence
+ * will not be executed until {@link #perform} is called.
+ *
+ * This class should not be instantiated directly. Instead, obtain an instance
+ * using {@link ./webdriver.WebDriver#actions() WebDriver.actions()}.
+ *
+ * Sample usage:
+ *
+ *     driver.actions().
+ *         keyDown(Key.SHIFT).
+ *         click(element1).
+ *         click(element2).
+ *         dragAndDrop(element3, element4).
+ *         keyUp(Key.SHIFT).
+ *         perform();
+ *
+ */
+class ActionSequence {
+  /**
+   * @param {!./webdriver.WebDriver} driver The driver that should be used to
+   *     perform this action sequence.
+   */
+  constructor(driver) {
+    /** @private {!./webdriver.WebDriver} */
+    this.driver_ = driver;
+
+    /** @private {!Array<{description: string, command: !command.Command}>} */
+    this.actions_ = [];
+  }
+
+  /**
+   * Schedules an action to be executed each time {@link #perform} is called on
+   * this instance.
+   *
+   * @param {string} description A description of the command.
+   * @param {!command.Command} command The command.
+   * @private
+   */
+  schedule_(description, command) {
+    this.actions_.push({
+      description: description,
+      command: command
+    });
+  }
+
+  /**
+   * Executes this action sequence.
+   *
+   * @return {!./promise.Thenable} A promise that will be resolved once
+   *     this sequence has completed.
+   */
+  perform() {
+    // Make a protected copy of the scheduled actions. This will protect against
+    // users defining additional commands before this sequence is actually
+    // executed.
+    let actions = this.actions_.concat();
+    let driver = this.driver_;
+    return driver.controlFlow().execute(function() {
+      let results = actions.map(action => {
+        return driver.schedule(action.command, action.description);
+      });
+      return Promise.all(results);
+    }, 'ActionSequence.perform');
+  }
+
+  /**
+   * Moves the mouse. The location to move to may be specified in terms of the
+   * mouse's current location, an offset relative to the top-left corner of an
+   * element, or an element (in which case the middle of the element is used).
+   *
+   * @param {(!./webdriver.WebElement|{x: number, y: number})} location The
+   *     location to drag to, as either another WebElement or an offset in
+   *     pixels.
+   * @param {{x: number, y: number}=} opt_offset If the target {@code location}
+   *     is defined as a {@link ./webdriver.WebElement}, this parameter defines
+   *     an offset within that element. The offset should be specified in pixels
+   *     relative to the top-left corner of the element's bounding box. If
+   *     omitted, the element's center will be used as the target offset.
+   * @return {!ActionSequence} A self reference.
+   */
+  mouseMove(location, opt_offset) {
+    let cmd = new command.Command(command.Name.MOVE_TO);
+
+    if (typeof location.x === 'number') {
+      setOffset(/** @type {{x: number, y: number}} */(location));
+    } else {
+      cmd.setParameter('element', location.getId());
+      if (opt_offset) {
+        setOffset(opt_offset);
+      }
+    }
+
+    this.schedule_('mouseMove', cmd);
+    return this;
+
+    /** @param {{x: number, y: number}} offset The offset to use. */
+    function setOffset(offset) {
+      cmd.setParameter('xoffset', offset.x || 0);
+      cmd.setParameter('yoffset', offset.y || 0);
+    }
+  }
+
+  /**
+   * Schedules a mouse action.
+   * @param {string} description A simple descriptive label for the scheduled
+   *     action.
+   * @param {!command.Name} commandName The name of the command.
+   * @param {(./webdriver.WebElement|input.Button)=} opt_elementOrButton Either
+   *     the element to interact with or the button to click with.
+   *     Defaults to {@link input.Button.LEFT} if neither an element nor
+   *     button is specified.
+   * @param {input.Button=} opt_button The button to use. Defaults to
+   *     {@link input.Button.LEFT}. Ignored if the previous argument is
+   *     provided as a button.
+   * @return {!ActionSequence} A self reference.
+   * @private
+   */
+  scheduleMouseAction_(
+      description, commandName, opt_elementOrButton, opt_button) {
+    let button;
+    if (typeof opt_elementOrButton === 'number') {
+      button = opt_elementOrButton;
+    } else {
+      if (opt_elementOrButton) {
+        this.mouseMove(
+            /** @type {!./webdriver.WebElement} */ (opt_elementOrButton));
+      }
+      button = opt_button !== void(0) ? opt_button : input.Button.LEFT;
+    }
+
+    let cmd = new command.Command(commandName).
+        setParameter('button', button);
+    this.schedule_(description, cmd);
+    return this;
+  }
+
+  /**
+   * Presses a mouse button. The mouse button will not be released until
+   * {@link #mouseUp} is called, regardless of whether that call is made in this
+   * sequence or another. The behavior for out-of-order events (e.g. mouseDown,
+   * click) is undefined.
+   *
+   * If an element is provided, the mouse will first be moved to the center
+   * of that element. This is equivalent to:
+   *
+   *     sequence.mouseMove(element).mouseDown()
+   *
+   * Warning: this method currently only supports the left mouse button. See
+   * [issue 4047](http://code.google.com/p/selenium/issues/detail?id=4047).
+   *
+   * @param {(./webdriver.WebElement|input.Button)=} opt_elementOrButton Either
+   *     the element to interact with or the button to click with.
+   *     Defaults to {@link input.Button.LEFT} if neither an element nor
+   *     button is specified.
+   * @param {input.Button=} opt_button The button to use. Defaults to
+   *     {@link input.Button.LEFT}. Ignored if a button is provided as the
+   *     first argument.
+   * @return {!ActionSequence} A self reference.
+   */
+  mouseDown(opt_elementOrButton, opt_button) {
+    return this.scheduleMouseAction_('mouseDown',
+        command.Name.MOUSE_DOWN, opt_elementOrButton, opt_button);
+  }
+
+  /**
+   * Releases a mouse button. Behavior is undefined for calling this function
+   * without a previous call to {@link #mouseDown}.
+   *
+   * If an element is provided, the mouse will first be moved to the center
+   * of that element. This is equivalent to:
+   *
+   *     sequence.mouseMove(element).mouseUp()
+   *
+   * Warning: this method currently only supports the left mouse button. See
+   * [issue 4047](http://code.google.com/p/selenium/issues/detail?id=4047).
+   *
+   * @param {(./webdriver.WebElement|input.Button)=} opt_elementOrButton Either
+   *     the element to interact with or the button to click with.
+   *     Defaults to {@link input.Button.LEFT} if neither an element nor
+   *     button is specified.
+   * @param {input.Button=} opt_button The button to use. Defaults to
+   *     {@link input.Button.LEFT}. Ignored if a button is provided as the
+   *     first argument.
+   * @return {!ActionSequence} A self reference.
+   */
+  mouseUp(opt_elementOrButton, opt_button) {
+    return this.scheduleMouseAction_('mouseUp',
+        command.Name.MOUSE_UP, opt_elementOrButton, opt_button);
+  }
+
+  /**
+   * Convenience function for performing a "drag and drop" manuever. The target
+   * element may be moved to the location of another element, or by an offset (in
+   * pixels).
+   *
+   * @param {!./webdriver.WebElement} element The element to drag.
+   * @param {(!./webdriver.WebElement|{x: number, y: number})} location The
+   *     location to drag to, either as another WebElement or an offset in
+   *     pixels.
+   * @return {!ActionSequence} A self reference.
+   */
+  dragAndDrop(element, location) {
+    return this.mouseDown(element).mouseMove(location).mouseUp();
+  }
+
+  /**
+   * Clicks a mouse button.
+   *
+   * If an element is provided, the mouse will first be moved to the center
+   * of that element. This is equivalent to:
+   *
+   *     sequence.mouseMove(element).click()
+   *
+   * @param {(./webdriver.WebElement|input.Button)=} opt_elementOrButton Either
+   *     the element to interact with or the button to click with.
+   *     Defaults to {@link input.Button.LEFT} if neither an element nor
+   *     button is specified.
+   * @param {input.Button=} opt_button The button to use. Defaults to
+   *     {@link input.Button.LEFT}. Ignored if a button is provided as the
+   *     first argument.
+   * @return {!ActionSequence} A self reference.
+   */
+  click(opt_elementOrButton, opt_button) {
+    return this.scheduleMouseAction_('click',
+        command.Name.CLICK, opt_elementOrButton, opt_button);
+  }
+
+  /**
+   * Double-clicks a mouse button.
+   *
+   * If an element is provided, the mouse will first be moved to the center of
+   * that element. This is equivalent to:
+   *
+   *     sequence.mouseMove(element).doubleClick()
+   *
+   * Warning: this method currently only supports the left mouse button. See
+   * [issue 4047](http://code.google.com/p/selenium/issues/detail?id=4047).
+   *
+   * @param {(./webdriver.WebElement|input.Button)=} opt_elementOrButton Either
+   *     the element to interact with or the button to click with.
+   *     Defaults to {@link input.Button.LEFT} if neither an element nor
+   *     button is specified.
+   * @param {input.Button=} opt_button The button to use. Defaults to
+   *     {@link input.Button.LEFT}. Ignored if a button is provided as the
+   *     first argument.
+   * @return {!ActionSequence} A self reference.
+   */
+  doubleClick(opt_elementOrButton, opt_button) {
+    return this.scheduleMouseAction_('doubleClick',
+        command.Name.DOUBLE_CLICK, opt_elementOrButton, opt_button);
+  }
+
+  /**
+   * Schedules a keyboard action.
+   *
+   * @param {string} description A simple descriptive label for the scheduled
+   *     action.
+   * @param {!Array<(string|!input.Key)>} keys The keys to send.
+   * @return {!ActionSequence} A self reference.
+   * @private
+   */
+  scheduleKeyboardAction_(description, keys) {
+    let cmd = new command.Command(command.Name.SEND_KEYS_TO_ACTIVE_ELEMENT)
+        .setParameter('value', keys);
+    this.schedule_(description, cmd);
+    return this;
+  }
+
+  /**
+   * Performs a modifier key press. The modifier key is <em>not released</em>
+   * until {@link #keyUp} or {@link #sendKeys} is called. The key press will be
+   * targeted at the currently focused element.
+   *
+   * @param {!input.Key} key The modifier key to push. Must be one of
+   *     {ALT, CONTROL, SHIFT, COMMAND, META}.
+   * @return {!ActionSequence} A self reference.
+   * @throws {error.InvalidArgumentError} If the key is not a valid modifier
+   *     key.
+   */
+  keyDown(key) {
+    checkModifierKey(key);
+    return this.scheduleKeyboardAction_('keyDown', [key]);
+  }
+
+  /**
+   * Performs a modifier key release. The release is targeted at the currently
+   * focused element.
+   * @param {!input.Key} key The modifier key to release. Must be one of
+   *     {ALT, CONTROL, SHIFT, COMMAND, META}.
+   * @return {!ActionSequence} A self reference.
+   * @throws {error.InvalidArgumentError} If the key is not a valid modifier
+   *     key.
+   */
+  keyUp(key) {
+    checkModifierKey(key);
+    return this.scheduleKeyboardAction_('keyUp', [key]);
+  }
+
+  /**
+   * Simulates typing multiple keys. Each modifier key encountered in the
+   * sequence will not be released until it is encountered again. All key events
+   * will be targeted at the currently focused element.
+   *
+   * @param {...(string|!input.Key|!Array<(string|!input.Key)>)} var_args
+   *     The keys to type.
+   * @return {!ActionSequence} A self reference.
+   * @throws {Error} If the key is not a valid modifier key.
+   */
+  sendKeys(var_args) {
+    let keys = flatten(arguments);
+    return this.scheduleKeyboardAction_('sendKeys', keys);
+  }
+}
+
+
+/**
+ * Class for defining sequences of user touch interactions. Each sequence
+ * will not be executed until {@link #perform} is called.
+ *
+ * This class should not be instantiated directly. Instead, obtain an instance
+ * using {@link ./webdriver.WebDriver#touchActions() WebDriver.touchActions()}.
+ *
+ * Sample usage:
+ *
+ *     driver.touchActions().
+ *         tapAndHold({x: 0, y: 0}).
+ *         move({x: 3, y: 4}).
+ *         release({x: 10, y: 10}).
+ *         perform();
+ *
+ */
+class TouchSequence {
+  /**
+   * @param {!./webdriver.WebDriver} driver The driver that should be used to
+   *     perform this action sequence.
+   */
+  constructor(driver) {
+    /** @private {!./webdriver.WebDriver} */
+    this.driver_ = driver;
+
+    /** @private {!Array<{description: string, command: !command.Command}>} */
+    this.actions_ = [];
+  }
+
+  /**
+   * Schedules an action to be executed each time {@link #perform} is called on
+   * this instance.
+   * @param {string} description A description of the command.
+   * @param {!command.Command} command The command.
+   * @private
+   */
+  schedule_(description, command) {
+    this.actions_.push({
+      description: description,
+      command: command
+    });
+  }
+
+  /**
+   * Executes this action sequence.
+   * @return {!./promise.Thenable} A promise that will be resolved once
+   *     this sequence has completed.
+   */
+  perform() {
+    // Make a protected copy of the scheduled actions. This will protect against
+    // users defining additional commands before this sequence is actually
+    // executed.
+    let actions = this.actions_.concat();
+    let driver = this.driver_;
+    return driver.controlFlow().execute(function() {
+      let results = actions.map(action => {
+        return driver.schedule(action.command, action.description);
+      });
+      return Promise.all(results);
+    }, 'TouchSequence.perform');
+  }
+
+  /**
+   * Taps an element.
+   *
+   * @param {!./webdriver.WebElement} elem The element to tap.
+   * @return {!TouchSequence} A self reference.
+   */
+  tap(elem) {
+    let cmd = new command.Command(command.Name.TOUCH_SINGLE_TAP).
+        setParameter('element', elem.getId());
+
+    this.schedule_('tap', cmd);
+    return this;
+  }
+
+  /**
+   * Double taps an element.
+   *
+   * @param {!./webdriver.WebElement} elem The element to double tap.
+   * @return {!TouchSequence} A self reference.
+   */
+  doubleTap(elem) {
+    let cmd = new command.Command(command.Name.TOUCH_DOUBLE_TAP).
+        setParameter('element', elem.getId());
+
+    this.schedule_('doubleTap', cmd);
+    return this;
+  }
+
+  /**
+   * Long press on an element.
+   *
+   * @param {!./webdriver.WebElement} elem The element to long press.
+   * @return {!TouchSequence} A self reference.
+   */
+  longPress(elem) {
+    let cmd = new command.Command(command.Name.TOUCH_LONG_PRESS).
+        setParameter('element', elem.getId());
+
+    this.schedule_('longPress', cmd);
+    return this;
+  }
+
+  /**
+   * Touch down at the given location.
+   *
+   * @param {{x: number, y: number}} location The location to touch down at.
+   * @return {!TouchSequence} A self reference.
+   */
+  tapAndHold(location) {
+    let cmd = new command.Command(command.Name.TOUCH_DOWN).
+        setParameter('x', location.x).
+        setParameter('y', location.y);
+
+    this.schedule_('tapAndHold', cmd);
+    return this;
+  }
+
+  /**
+   * Move a held {@linkplain #tapAndHold touch} to the specified location.
+   *
+   * @param {{x: number, y: number}} location The location to move to.
+   * @return {!TouchSequence} A self reference.
+   */
+  move(location) {
+    let cmd = new command.Command(command.Name.TOUCH_MOVE).
+        setParameter('x', location.x).
+        setParameter('y', location.y);
+
+    this.schedule_('move', cmd);
+    return this;
+  }
+
+  /**
+   * Release a held {@linkplain #tapAndHold touch} at the specified location.
+   *
+   * @param {{x: number, y: number}} location The location to release at.
+   * @return {!TouchSequence} A self reference.
+   */
+  release(location) {
+    let cmd = new command.Command(command.Name.TOUCH_UP).
+        setParameter('x', location.x).
+        setParameter('y', location.y);
+
+    this.schedule_('release', cmd);
+    return this;
+  }
+
+  /**
+   * Scrolls the touch screen by the given offset.
+   *
+   * @param {{x: number, y: number}} offset The offset to scroll to.
+   * @return {!TouchSequence} A self reference.
+   */
+  scroll(offset) {
+    let cmd = new command.Command(command.Name.TOUCH_SCROLL).
+        setParameter('xoffset', offset.x).
+        setParameter('yoffset', offset.y);
+
+    this.schedule_('scroll', cmd);
+    return this;
+  }
+
+  /**
+   * Scrolls the touch screen, starting on `elem` and moving by the specified
+   * offset.
+   *
+   * @param {!./webdriver.WebElement} elem The element where scroll starts.
+   * @param {{x: number, y: number}} offset The offset to scroll to.
+   * @return {!TouchSequence} A self reference.
+   */
+  scrollFromElement(elem, offset) {
+    let cmd = new command.Command(command.Name.TOUCH_SCROLL).
+        setParameter('element', elem.getId()).
+        setParameter('xoffset', offset.x).
+        setParameter('yoffset', offset.y);
+
+    this.schedule_('scrollFromElement', cmd);
+    return this;
+  }
+
+  /**
+   * Flick, starting anywhere on the screen, at speed xspeed and yspeed.
+   *
+   * @param {{xspeed: number, yspeed: number}} speed The speed to flick in each
+         direction, in pixels per second.
+   * @return {!TouchSequence} A self reference.
+   */
+  flick(speed) {
+    let cmd = new command.Command(command.Name.TOUCH_FLICK).
+        setParameter('xspeed', speed.xspeed).
+        setParameter('yspeed', speed.yspeed);
+
+    this.schedule_('flick', cmd);
+    return this;
+  }
+
+  /**
+   * Flick starting at elem and moving by x and y at specified speed.
+   *
+   * @param {!./webdriver.WebElement} elem The element where flick starts.
+   * @param {{x: number, y: number}} offset The offset to flick to.
+   * @param {number} speed The speed to flick at in pixels per second.
+   * @return {!TouchSequence} A self reference.
+   */
+  flickElement(elem, offset, speed) {
+    let cmd = new command.Command(command.Name.TOUCH_FLICK).
+        setParameter('element', elem.getId()).
+        setParameter('xoffset', offset.x).
+        setParameter('yoffset', offset.y).
+        setParameter('speed', speed);
+
+    this.schedule_('flickElement', cmd);
+    return this;
+  }
+}
+
+
+// PUBLIC API
+
+module.exports = {
+  ActionSequence: ActionSequence,
+  TouchSequence: TouchSequence,
+};

node_modules/selenium-webdriver/lib/by.js

@@ -0,0 +1,285 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+/**
+ * @fileoverview Factory methods for the supported locator strategies.
+ */
+
+/**
+ * Short-hand expressions for the primary element locator strategies.
+ * For example the following two statements are equivalent:
+ *
+ *     var e1 = driver.findElement(By.id('foo'));
+ *     var e2 = driver.findElement({id: 'foo'});
+ *
+ * Care should be taken when using JavaScript minifiers (such as the
+ * Closure compiler), as locator hashes will always be parsed using
+ * the un-obfuscated properties listed.
+ *
+ * @typedef {(
+ *     {className: string}|
+ *     {css: string}|
+ *     {id: string}|
+ *     {js: string}|
+ *     {linkText: string}|
+ *     {name: string}|
+ *     {partialLinkText: string}|
+ *     {tagName: string}|
+ *     {xpath: string})}
+ */
+var ByHash;
+
+
+/**
+ * Error thrown if an invalid character is encountered while escaping a CSS
+ * identifier.
+ * @see https://drafts.csswg.org/cssom/#serialize-an-identifier
+ */
+class InvalidCharacterError extends Error {
+  constructor() {
+    super();
+    this.name = this.constructor.name;
+  }
+}
+
+
+/**
+ * Escapes a CSS string.
+ * @param {string} css the string to escape.
+ * @return {string} the escaped string.
+ * @throws {TypeError} if the input value is not a string.
+ * @throws {InvalidCharacterError} if the string contains an invalid character.
+ * @see https://drafts.csswg.org/cssom/#serialize-an-identifier
+ */
+function escapeCss(css) {
+  if (typeof css !== 'string') {
+    throw new TypeError('input must be a string');
+  }
+  let ret = '';
+  const n = css.length;
+  for (let i = 0; i  < n; i++) {
+    const c = css.charCodeAt(i);
+    if (c == 0x0) {
+      throw new InvalidCharacterError();
+    }
+
+    if ((c >= 0x0001 && c <= 0x001F)
+        || c == 0x007F
+        || (i == 0 && c >= 0x0030 && c <= 0x0039)
+        || (i == 1 && c >= 0x0030 && c <= 0x0039
+            && css.charCodeAt(0) == 0x002D)) {
+      ret += '\\' + c.toString(16) + ' ';
+      continue;
+    }
+
+    if (i == 0 && c == 0x002D && n == 1) {
+      ret += '\\' + css.charAt(i);
+      continue;
+    }
+
+    if (c >= 0x0080
+        || c == 0x002D                      // -
+        || c == 0x005F                      // _
+        || (c >= 0x0030 && c <= 0x0039)     // [0-9]
+        || (c >= 0x0041 && c <= 0x005A)     // [A-Z]
+        || (c >= 0x0061 && c <= 0x007A)) {  // [a-z]
+      ret += css.charAt(i);
+      continue;
+    }
+
+    ret += '\\' + css.charAt(i);
+  }
+  return ret;
+}
+
+
+/**
+ * Describes a mechanism for locating an element on the page.
+ * @final
+ */
+class By {
+  /**
+   * @param {string} using the name of the location strategy to use.
+   * @param {string} value the value to search for.
+   */
+  constructor(using, value) {
+    /** @type {string} */
+    this.using = using;
+
+    /** @type {string} */
+    this.value = value;
+  }
+
+  /**
+   * Locates elements that have a specific class name.
+   *
+   * @param {string} name The class name to search for.
+   * @return {!By} The new locator.
+   * @see http://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes
+   * @see http://www.w3.org/TR/CSS2/selector.html#class-html
+   */
+  static className(name) {
+    let names = name.split(/\s+/g)
+        .filter(s => s.length > 0)
+        .map(s => escapeCss(s));
+    return By.css('.' + names.join('.'));
+  }
+
+  /**
+   * Locates elements using a CSS selector.
+   *
+   * @param {string} selector The CSS selector to use.
+   * @return {!By} The new locator.
+   * @see http://www.w3.org/TR/CSS2/selector.html
+   */
+  static css(selector) {
+    return new By('css selector', selector);
+  }
+
+  /**
+   * Locates elements by the ID attribute. This locator uses the CSS selector
+   * `*[id="$ID"]`, _not_ `document.getElementById`.
+   *
+   * @param {string} id The ID to search for.
+   * @return {!By} The new locator.
+   */
+  static id(id) {
+    return By.css('*[id="' + escapeCss(id) + '"]');
+  }
+
+  /**
+   * Locates link elements whose
+   * {@linkplain webdriver.WebElement#getText visible text} matches the given
+   * string.
+   *
+   * @param {string} text The link text to search for.
+   * @return {!By} The new locator.
+   */
+  static linkText(text) {
+    return new By('link text', text);
+  }
+
+  /**
+   * Locates an elements by evaluating a
+   * {@linkplain webdriver.WebDriver#executeScript JavaScript expression}.
+   * The result of this expression must be an element or list of elements.
+   *
+   * @param {!(string|Function)} script The script to execute.
+   * @param {...*} var_args The arguments to pass to the script.
+   * @return {function(!./webdriver.WebDriver): !./promise.Promise}
+   *     A new JavaScript-based locator function.
+   */
+  static js(script, var_args) {
+    let args = Array.prototype.slice.call(arguments, 0);
+    return function(driver) {
+      return driver.executeScript.apply(driver, args);
+    };
+  }
+
+  /**
+   * Locates elements whose `name` attribute has the given value.
+   *
+   * @param {string} name The name attribute to search for.
+   * @return {!By} The new locator.
+   */
+  static name(name) {
+    return By.css('*[name="' + escapeCss(name) + '"]');
+  }
+
+  /**
+   * Locates link elements whose
+   * {@linkplain webdriver.WebElement#getText visible text} contains the given
+   * substring.
+   *
+   * @param {string} text The substring to check for in a link's visible text.
+   * @return {!By} The new locator.
+   */
+  static partialLinkText(text) {
+    return new By('partial link text', text);
+  }
+
+  /**
+   * Locates elements with a given tag name.
+   *
+   * @param {string} name The tag name to search for.
+   * @return {!By} The new locator.
+   * @deprecated Use {@link By.css() By.css(tagName)} instead.
+   */
+  static tagName(name) {
+    return By.css(name);
+  }
+
+  /**
+   * Locates elements matching a XPath selector. Care should be taken when
+   * using an XPath selector with a {@link webdriver.WebElement} as WebDriver
+   * will respect the context in the specified in the selector. For example,
+   * given the selector `//div`, WebDriver will search from the document root
+   * regardless of whether the locator was used with a WebElement.
+   *
+   * @param {string} xpath The XPath selector to use.
+   * @return {!By} The new locator.
+   * @see http://www.w3.org/TR/xpath/
+   */
+  static xpath(xpath) {
+    return new By('xpath', xpath);
+  }
+
+  /** @override */
+  toString() {
+    // The static By.name() overrides this.constructor.name.  Shame...
+    return `By(${this.using}, ${this.value})`;
+  }
+}
+
+
+/**
+ * Checks if a value is a valid locator.
+ * @param {!(By|Function|ByHash)} locator The value to check.
+ * @return {!(By|Function)} The valid locator.
+ * @throws {TypeError} If the given value does not define a valid locator
+ *     strategy.
+ */
+function check(locator) {
+  if (locator instanceof By || typeof locator === 'function') {
+    return locator;
+  }
+
+  if (locator
+      && typeof locator === 'object'
+      && typeof locator.using === 'string'
+      && typeof locator.value === 'string') {
+    return new By(locator.using, locator.value);
+  }
+
+  for (let key in locator) {
+    if (locator.hasOwnProperty(key) && By.hasOwnProperty(key)) {
+      return By[key](locator[key]);
+    }
+  }
+  throw new TypeError('Invalid locator');
+}
+
+
+
+// PUBLIC API
+
+module.exports = {
+  By: By,
+  checkedLocator: check,
+};

node_modules/selenium-webdriver/lib/capabilities.js

@@ -0,0 +1,489 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+/**
+ * @fileoverview Defines types related to describing the capabilities of a
+ * WebDriver session.
+ */
+
+const Symbols = require('./symbols');
+
+
+/**
+ * Recognized browser names.
+ * @enum {string}
+ */
+const Browser = {
+  ANDROID: 'android',
+  CHROME: 'chrome',
+  EDGE: 'MicrosoftEdge',
+  FIREFOX: 'firefox',
+  IE: 'internet explorer',
+  INTERNET_EXPLORER: 'internet explorer',
+  IPAD: 'iPad',
+  IPHONE: 'iPhone',
+  OPERA: 'opera',
+  PHANTOM_JS: 'phantomjs',
+  SAFARI: 'safari',
+  HTMLUNIT: 'htmlunit'
+};
+
+
+/**
+ * Common Capability keys.
+ * @enum {string}
+ */
+const Capability = {
+
+  /**
+   * Indicates whether a driver should accept all SSL certs by default. This
+   * capability only applies when requesting a new session. To query whether
+   * a driver can handle insecure SSL certs, see {@link #SECURE_SSL}.
+   */
+  ACCEPT_SSL_CERTS: 'acceptSslCerts',
+
+
+  /**
+   * The browser name. Common browser names are defined in the {@link Browser}
+   * enum.
+   */
+  BROWSER_NAME: 'browserName',
+
+  /**
+   * Defines how elements should be scrolled into the viewport for interaction.
+   * This capability will be set to zero (0) if elements are aligned with the
+   * top of the viewport, or one (1) if aligned with the bottom. The default
+   * behavior is to align with the top of the viewport.
+   */
+  ELEMENT_SCROLL_BEHAVIOR: 'elementScrollBehavior',
+
+  /**
+   * Whether the driver is capable of handling modal alerts (e.g. alert,
+   * confirm, prompt). To define how a driver <i>should</i> handle alerts,
+   * use {@link #UNEXPECTED_ALERT_BEHAVIOR}.
+   */
+  HANDLES_ALERTS: 'handlesAlerts',
+
+  /**
+   * Key for the logging driver logging preferences.
+   */
+  LOGGING_PREFS: 'loggingPrefs',
+
+  /**
+   * Whether this session generates native events when simulating user input.
+   */
+  NATIVE_EVENTS: 'nativeEvents',
+
+  /**
+   * Describes the platform the browser is running on. Will be one of
+   * ANDROID, IOS, LINUX, MAC, UNIX, or WINDOWS. When <i>requesting</i> a
+   * session, ANY may be used to indicate no platform preference (this is
+   * semantically equivalent to omitting the platform capability).
+   */
+  PLATFORM: 'platform',
+
+  /**
+   * Describes the proxy configuration to use for a new WebDriver session.
+   */
+  PROXY: 'proxy',
+
+  /** Whether the driver supports changing the browser's orientation. */
+  ROTATABLE: 'rotatable',
+
+  /**
+   * Whether a driver is only capable of handling secure SSL certs. To request
+   * that a driver accept insecure SSL certs by default, use
+   * {@link #ACCEPT_SSL_CERTS}.
+   */
+  SECURE_SSL: 'secureSsl',
+
+  /** Whether the driver supports manipulating the app cache. */
+  SUPPORTS_APPLICATION_CACHE: 'applicationCacheEnabled',
+
+  /** Whether the driver supports locating elements with CSS selectors. */
+  SUPPORTS_CSS_SELECTORS: 'cssSelectorsEnabled',
+
+  /** Whether the browser supports JavaScript. */
+  SUPPORTS_JAVASCRIPT: 'javascriptEnabled',
+
+  /** Whether the driver supports controlling the browser's location info. */
+  SUPPORTS_LOCATION_CONTEXT: 'locationContextEnabled',
+
+  /** Whether the driver supports taking screenshots. */
+  TAKES_SCREENSHOT: 'takesScreenshot',
+
+  /**
+   * Defines how the driver should handle unexpected alerts. The value should
+   * be one of "accept", "dismiss", or "ignore".
+   */
+  UNEXPECTED_ALERT_BEHAVIOR: 'unexpectedAlertBehaviour',
+
+  /** Defines the browser version. */
+  VERSION: 'version'
+};
+
+
+/**
+ * Describes how a proxy should be configured for a WebDriver session.
+ * @record
+ */
+function ProxyConfig() {}
+
+/**
+ * The proxy type. Must be one of {"manual", "pac", "system"}.
+ * @type {string}
+ */
+ProxyConfig.prototype.proxyType;
+
+/**
+ * URL for the PAC file to use. Only used if {@link #proxyType} is "pac".
+ * @type {(string|undefined)}
+ */
+ProxyConfig.prototype.proxyAutoconfigUrl;
+
+/**
+ * The proxy host for FTP requests. Only used if {@link #proxyType} is "manual".
+ * @type {(string|undefined)}
+ */
+ProxyConfig.prototype.ftpProxy;
+
+/**
+ * The proxy host for HTTP requests. Only used if {@link #proxyType} is
+ * "manual".
+ * @type {(string|undefined)}
+ */
+ProxyConfig.prototype.httpProxy;
+
+/**
+ * The proxy host for HTTPS requests. Only used if {@link #proxyType} is
+ * "manual".
+ * @type {(string|undefined)}
+ */
+ProxyConfig.prototype.sslProxy;
+
+/**
+ * A comma delimited list of hosts which should bypass all proxies. Only used if
+ * {@link #proxyType} is "manual".
+ * @type {(string|undefined)}
+ */
+ProxyConfig.prototype.noProxy;
+
+
+/**
+ * Converts a generic hash object to a map.
+ * @param {!Object<string, ?>} hash The hash object.
+ * @return {!Map<string, ?>} The converted map.
+ */
+function toMap(hash) {
+  let m = new Map;
+  for (let key in hash) {
+    if (hash.hasOwnProperty(key)) {
+      m.set(key, hash[key]);
+    }
+  }
+  return m;
+}
+
+
+/**
+ * Describes a set of capabilities for a WebDriver session.
+ */
+class Capabilities {
+  /**
+   * @param {(Capabilities|Map<string, ?>|Object)=} other Another set of
+   *     capabilities to initialize this instance from.
+   */
+  constructor(other = undefined) {
+    if (other instanceof Capabilities) {
+      other = other.map_;
+    } else if (other && !(other instanceof Map)) {
+      other = toMap(other);
+    }
+    /** @private @const {!Map<string, ?>} */
+    this.map_ = new Map(other);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Android.
+   */
+  static android() {
+    return new Capabilities()
+        .set(Capability.BROWSER_NAME, Browser.ANDROID);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Chrome.
+   */
+  static chrome() {
+    return new Capabilities().set(Capability.BROWSER_NAME, Browser.CHROME);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Microsoft Edge.
+   */
+  static edge() {
+    return new Capabilities()
+        .set(Capability.BROWSER_NAME, Browser.EDGE);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Firefox.
+   */
+  static firefox() {
+    return new Capabilities().set(Capability.BROWSER_NAME, Browser.FIREFOX);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Internet Explorer.
+   */
+  static ie() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.INTERNET_EXPLORER);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for iPad.
+   */
+  static ipad() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.IPAD);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for iPhone.
+   */
+  static iphone() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.IPHONE);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Opera.
+   */
+  static opera() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.OPERA);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for PhantomJS.
+   */
+  static phantomjs() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.PHANTOM_JS);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for Safari.
+   */
+  static safari() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.SAFARI);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for HTMLUnit.
+   */
+  static htmlunit() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.HTMLUNIT);
+  }
+
+  /**
+   * @return {!Capabilities} A basic set of capabilities for HTMLUnit
+   *     with enabled Javascript.
+   */
+  static htmlunitwithjs() {
+    return new Capabilities().
+        set(Capability.BROWSER_NAME, Browser.HTMLUNIT).
+        set(Capability.SUPPORTS_JAVASCRIPT, true);
+  }
+
+  /**
+   * @return {!Object<string, ?>} The JSON representation of this instance.
+   *     Note, the returned object may contain nested promised values.
+   * @suppress {checkTypes} Suppress [] access on a struct (state inherited from
+   *     Map).
+   */
+  [Symbols.serialize]() {
+    return serialize(this);
+  }
+
+  /**
+   * @param {string} key the parameter key to get.
+   * @return {T} the stored parameter value.
+   * @template T
+   */
+  get(key) {
+    return this.map_.get(key);
+  }
+
+  /**
+   * @param {string} key the key to test.
+   * @return {boolean} whether this capability set has the specified key.
+   */
+  has(key) {
+    return this.map_.has(key);
+  }
+
+  /**
+   * @return {!Iterator<string>} an iterator of the keys set.
+   */
+  keys() {
+    return this.map_.keys();
+  }
+
+  /** @return {number} The number of capabilities set. */
+  get size() {
+    return this.map_.size;
+  }
+
+  /**
+   * Merges another set of capabilities into this instance.
+   * @param {!(Capabilities|Map<String, ?>|Object<string, ?>)} other The other
+   *     set of capabilities to merge.
+   * @return {!Capabilities} A self reference.
+   */
+  merge(other) {
+    if (!other) {
+      throw new TypeError('no capabilities provided for merge');
+    }
+
+    let map;
+    if (other instanceof Capabilities) {
+      map = other.map_;
+    } else if (other instanceof Map) {
+      map = other;
+    } else {
+      other = toMap(other);
+    }
+
+    for (let key of other.keys()) {
+      this.set(key, other.get(key));
+    }
+
+    return this;
+  }
+
+  /**
+   * Deletes an entry from this set of capabilities.
+   *
+   * @param {string} key the capability key to delete.
+   */
+  delete(key) {
+    this.map_.delete(key);
+  }
+
+  /**
+   * @param {string} key The capability key.
+   * @param {*} value The capability value.
+   * @return {!Capabilities} A self reference.
+   * @throws {TypeError} If the `key` is not a string.
+   */
+  set(key, value) {
+    if (typeof key !== 'string') {
+      throw new TypeError('Capability keys must be strings: ' + typeof key);
+    }
+    this.map_.set(key, value);
+    return this;
+  }
+
+  /**
+   * Sets the logging preferences. Preferences may be specified as a
+   * {@link ./logging.Preferences} instance, or as a map of log-type to
+   * log-level.
+   * @param {!(./logging.Preferences|Object<string>)} prefs The logging
+   *     preferences.
+   * @return {!Capabilities} A self reference.
+   */
+  setLoggingPrefs(prefs) {
+    return this.set(Capability.LOGGING_PREFS, prefs);
+  }
+
+  /**
+   * Sets the proxy configuration for this instance.
+   * @param {ProxyConfig} proxy The desired proxy configuration.
+   * @return {!Capabilities} A self reference.
+   */
+  setProxy(proxy) {
+    return this.set(Capability.PROXY, proxy);
+  }
+
+  /**
+   * Sets whether native events should be used.
+   * @param {boolean} enabled Whether to enable native events.
+   * @return {!Capabilities} A self reference.
+   */
+  setEnableNativeEvents(enabled) {
+    return this.set(Capability.NATIVE_EVENTS, enabled);
+  }
+
+  /**
+   * Sets how elements should be scrolled into view for interaction.
+   * @param {number} behavior The desired scroll behavior: either 0 to align
+   *     with the top of the viewport or 1 to align with the bottom.
+   * @return {!Capabilities} A self reference.
+   */
+  setScrollBehavior(behavior) {
+    return this.set(Capability.ELEMENT_SCROLL_BEHAVIOR, behavior);
+  }
+
+  /**
+   * Sets the default action to take with an unexpected alert before returning
+   * an error.
+   * @param {string} behavior The desired behavior should be "accept",
+   *     "dismiss", or "ignore". Defaults to "dismiss".
+   * @return {!Capabilities} A self reference.
+   */
+  setAlertBehavior(behavior) {
+    return this.set(Capability.UNEXPECTED_ALERT_BEHAVIOR, behavior);
+  }
+}
+
+
+/**
+ * Serializes a capabilities object. This is defined as a standalone function
+ * so it may be type checked (where Capabilities[Symbols.serialize] has type
+ * checking disabled since it is defined with [] access on a struct).
+ *
+ * @param {!Capabilities} caps The capabilities to serialize.
+ * @return {!Object<string, ?>} The JSON representation of this instance.
+ *     Note, the returned object may contain nested promised values.
+ */
+function serialize(caps) {
+  let ret = {};
+  for (let key of caps.keys()) {
+    let cap = caps.get(key);
+    if (cap !== undefined && cap !== null) {
+      ret[key] = cap;
+    }
+  }
+  return ret;
+}
+
+
+// PUBLIC API
+
+
+module.exports = {
+  Browser: Browser,
+  Capabilities: Capabilities,
+  Capability: Capability,
+  ProxyConfig: ProxyConfig
+};

node_modules/selenium-webdriver/lib/command.js

@@ -0,0 +1,245 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Contains several classes for handling commands.
+ */
+
+'use strict';
+
+/**
+ * Describes a command to execute.
+ * @final
+ */
+class Command {
+  /** @param {string} name The name of this command. */
+  constructor(name) {
+    /** @private {string} */
+    this.name_ = name;
+
+    /** @private {!Object<*>} */
+    this.parameters_ = {};
+  }
+
+  /** @return {string} This command's name. */
+  getName() {
+    return this.name_;
+  }
+
+  /**
+   * Sets a parameter to send with this command.
+   * @param {string} name The parameter name.
+   * @param {*} value The parameter value.
+   * @return {!Command} A self reference.
+   */
+  setParameter(name, value) {
+    this.parameters_[name] = value;
+    return this;
+  }
+
+  /**
+   * Sets the parameters for this command.
+   * @param {!Object<*>} parameters The command parameters.
+   * @return {!Command} A self reference.
+   */
+  setParameters(parameters) {
+    this.parameters_ = parameters;
+    return this;
+  }
+
+  /**
+   * Returns a named command parameter.
+   * @param {string} key The parameter key to look up.
+   * @return {*} The parameter value, or undefined if it has not been set.
+   */
+  getParameter(key) {
+    return this.parameters_[key];
+  }
+
+  /**
+   * @return {!Object<*>} The parameters to send with this command.
+   */
+  getParameters() {
+    return this.parameters_;
+  }
+}
+
+
+/**
+ * Enumeration of predefined names command names that all command processors
+ * will support.
+ * @enum {string}
+ */
+// TODO: Delete obsolete command names.
+const Name = {
+  GET_SERVER_STATUS: 'getStatus',
+
+  NEW_SESSION: 'newSession',
+  GET_SESSIONS: 'getSessions',
+  DESCRIBE_SESSION: 'getSessionCapabilities',
+
+  CLOSE: 'close',
+  QUIT: 'quit',
+
+  GET_CURRENT_URL: 'getCurrentUrl',
+  GET: 'get',
+  GO_BACK: 'goBack',
+  GO_FORWARD: 'goForward',
+  REFRESH: 'refresh',
+
+  ADD_COOKIE: 'addCookie',
+  GET_COOKIE: 'getCookie',
+  GET_ALL_COOKIES: 'getCookies',
+  DELETE_COOKIE: 'deleteCookie',
+  DELETE_ALL_COOKIES: 'deleteAllCookies',
+
+  GET_ACTIVE_ELEMENT: 'getActiveElement',
+  FIND_ELEMENT: 'findElement',
+  FIND_ELEMENTS: 'findElements',
+  FIND_CHILD_ELEMENT: 'findChildElement',
+  FIND_CHILD_ELEMENTS: 'findChildElements',
+
+  CLEAR_ELEMENT: 'clearElement',
+  CLICK_ELEMENT: 'clickElement',
+  SEND_KEYS_TO_ELEMENT: 'sendKeysToElement',
+  SUBMIT_ELEMENT: 'submitElement',
+
+  GET_CURRENT_WINDOW_HANDLE: 'getCurrentWindowHandle',
+  GET_WINDOW_HANDLES: 'getWindowHandles',
+  GET_WINDOW_POSITION: 'getWindowPosition',
+  SET_WINDOW_POSITION: 'setWindowPosition',
+  GET_WINDOW_SIZE: 'getWindowSize',
+  SET_WINDOW_SIZE: 'setWindowSize',
+  MAXIMIZE_WINDOW: 'maximizeWindow',
+
+  SWITCH_TO_WINDOW: 'switchToWindow',
+  SWITCH_TO_FRAME: 'switchToFrame',
+  GET_PAGE_SOURCE: 'getPageSource',
+  GET_TITLE: 'getTitle',
+
+  EXECUTE_SCRIPT: 'executeScript',
+  EXECUTE_ASYNC_SCRIPT: 'executeAsyncScript',
+
+  GET_ELEMENT_TEXT: 'getElementText',
+  GET_ELEMENT_TAG_NAME: 'getElementTagName',
+  IS_ELEMENT_SELECTED: 'isElementSelected',
+  IS_ELEMENT_ENABLED: 'isElementEnabled',
+  IS_ELEMENT_DISPLAYED: 'isElementDisplayed',
+  GET_ELEMENT_LOCATION: 'getElementLocation',
+  GET_ELEMENT_LOCATION_IN_VIEW: 'getElementLocationOnceScrolledIntoView',
+  GET_ELEMENT_SIZE: 'getElementSize',
+  GET_ELEMENT_ATTRIBUTE: 'getElementAttribute',
+  GET_ELEMENT_VALUE_OF_CSS_PROPERTY: 'getElementValueOfCssProperty',
+  ELEMENT_EQUALS: 'elementEquals',
+
+  SCREENSHOT: 'screenshot',
+  TAKE_ELEMENT_SCREENSHOT: 'takeElementScreenshot',
+  IMPLICITLY_WAIT: 'implicitlyWait',
+  SET_SCRIPT_TIMEOUT: 'setScriptTimeout',
+
+  GET_TIMEOUT: 'getTimeout',
+  SET_TIMEOUT: 'setTimeout',
+
+  ACCEPT_ALERT: 'acceptAlert',
+  DISMISS_ALERT: 'dismissAlert',
+  GET_ALERT_TEXT: 'getAlertText',
+  SET_ALERT_TEXT: 'setAlertValue',
+  SET_ALERT_CREDENTIALS: 'setAlertCredentials',
+
+  EXECUTE_SQL: 'executeSQL',
+  GET_LOCATION: 'getLocation',
+  SET_LOCATION: 'setLocation',
+  GET_APP_CACHE: 'getAppCache',
+  GET_APP_CACHE_STATUS: 'getStatus',
+  CLEAR_APP_CACHE: 'clearAppCache',
+  IS_BROWSER_ONLINE: 'isBrowserOnline',
+  SET_BROWSER_ONLINE: 'setBrowserOnline',
+
+  GET_LOCAL_STORAGE_ITEM: 'getLocalStorageItem',
+  GET_LOCAL_STORAGE_KEYS: 'getLocalStorageKeys',
+  SET_LOCAL_STORAGE_ITEM: 'setLocalStorageItem',
+  REMOVE_LOCAL_STORAGE_ITEM: 'removeLocalStorageItem',
+  CLEAR_LOCAL_STORAGE: 'clearLocalStorage',
+  GET_LOCAL_STORAGE_SIZE: 'getLocalStorageSize',
+
+  GET_SESSION_STORAGE_ITEM: 'getSessionStorageItem',
+  GET_SESSION_STORAGE_KEYS: 'getSessionStorageKey',
+  SET_SESSION_STORAGE_ITEM: 'setSessionStorageItem',
+  REMOVE_SESSION_STORAGE_ITEM: 'removeSessionStorageItem',
+  CLEAR_SESSION_STORAGE: 'clearSessionStorage',
+  GET_SESSION_STORAGE_SIZE: 'getSessionStorageSize',
+
+  SET_SCREEN_ORIENTATION: 'setScreenOrientation',
+  GET_SCREEN_ORIENTATION: 'getScreenOrientation',
+
+  // These belong to the Advanced user interactions - an element is
+  // optional for these commands.
+  CLICK: 'mouseClick',
+  DOUBLE_CLICK: 'mouseDoubleClick',
+  MOUSE_DOWN: 'mouseButtonDown',
+  MOUSE_UP: 'mouseButtonUp',
+  MOVE_TO: 'mouseMoveTo',
+  SEND_KEYS_TO_ACTIVE_ELEMENT: 'sendKeysToActiveElement',
+
+  // These belong to the Advanced Touch API
+  TOUCH_SINGLE_TAP: 'touchSingleTap',
+  TOUCH_DOWN: 'touchDown',
+  TOUCH_UP: 'touchUp',
+  TOUCH_MOVE: 'touchMove',
+  TOUCH_SCROLL: 'touchScroll',
+  TOUCH_DOUBLE_TAP: 'touchDoubleTap',
+  TOUCH_LONG_PRESS: 'touchLongPress',
+  TOUCH_FLICK: 'touchFlick',
+
+  GET_AVAILABLE_LOG_TYPES: 'getAvailableLogTypes',
+  GET_LOG: 'getLog',
+  GET_SESSION_LOGS: 'getSessionLogs',
+
+  // Non-standard commands used by the standalone Selenium server.
+  UPLOAD_FILE: 'uploadFile'
+};
+
+
+
+/**
+ * Handles the execution of WebDriver {@link Command commands}.
+ * @interface
+ */
+class Executor {
+  /**
+   * Executes the given {@code command}. If there is an error executing the
+   * command, the provided callback will be invoked with the offending error.
+   * Otherwise, the callback will be invoked with a null Error and non-null
+   * response object.
+   *
+   * @param {!Command} command The command to execute.
+   * @return {!Promise<?>} A promise that will be fulfilled with the command
+   *     result.
+   */
+  execute(command) {}
+}
+
+
+
+// PUBLIC API
+
+
+module.exports = {
+  Command: Command,
+  Name: Name,
+  Executor: Executor
+};

node_modules/selenium-webdriver/lib/devmode.js

@@ -0,0 +1,34 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+/**
+ * @fileoverview Module used to detect if scripts are loaded from the Selenium
+ * project repo instead of from a deployed package.
+ */
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+/**
+ * @const {boolean}
+ */
+module.exports = (function() {
+  let buildDescFile = path.join(__dirname, '..', '..', 'build.desc');
+  return fs.existsSync(buildDescFile);
+})();

node_modules/selenium-webdriver/lib/events.js

@@ -0,0 +1,210 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+/**
+ * Describes an event listener registered on an {@linkplain EventEmitter}.
+ */
+class Listener {
+  /**
+   * @param {!Function} fn The actual listener function.
+   * @param {(Object|undefined)} scope The object in whose scope to invoke the
+   *     listener.
+   * @param {boolean} oneshot Whether this listener should only be used once.
+   */
+  constructor(fn, scope, oneshot) {
+    this.fn = fn;
+    this.scope = scope;
+    this.oneshot = oneshot;
+  }
+}
+
+
+/** @type {!WeakMap<!EventEmitter, !Map<string, !Set<!Listener>>>} */
+const EVENTS = new WeakMap;
+
+
+/**
+ * Object that can emit events for others to listen for.
+ */
+class EventEmitter {
+  /**
+   * Fires an event and calls all listeners.
+   * @param {string} type The type of event to emit.
+   * @param {...*} var_args Any arguments to pass to each listener.
+   */
+  emit(type, var_args) {
+    let events = EVENTS.get(this);
+    if (!events) {
+      return;
+    }
+
+    let args = Array.prototype.slice.call(arguments, 1);
+
+    let listeners = events.get(type);
+    if (listeners) {
+      for (let listener of listeners) {
+        listener.fn.apply(listener.scope, args);
+        if (listener.oneshot) {
+          listeners.delete(listener);
+        }
+      }
+    }
+  }
+
+  /**
+   * Returns a mutable list of listeners for a specific type of event.
+   * @param {string} type The type of event to retrieve the listeners for.
+   * @return {!Set<!Listener>} The registered listeners for the given event
+   *     type.
+   */
+  listeners(type) {
+    let events = EVENTS.get(this);
+    if (!events) {
+      events = new Map;
+      EVENTS.set(this, events);
+    }
+
+    let listeners = events.get(type);
+    if (!listeners) {
+      listeners = new Set;
+      events.set(type, listeners);
+    }
+    return listeners;
+  }
+
+  /**
+   * Registers a listener.
+   * @param {string} type The type of event to listen for.
+   * @param {!Function} fn The function to invoke when the event is fired.
+   * @param {Object=} opt_self The object in whose scope to invoke the listener.
+   * @param {boolean=} opt_oneshot Whether the listener should b (e removed after
+   *    the first event is fired.
+   * @return {!EventEmitter} A self reference.
+   * @private
+   */
+  addListener_(type, fn, opt_self, opt_oneshot) {
+    let listeners = this.listeners(type);
+    for (let listener of listeners) {
+      if (listener.fn === fn) {
+        return this;
+      }
+    }
+    listeners.add(new Listener(fn, opt_self || undefined, !!opt_oneshot));
+    return this;
+  }
+
+  /**
+   * Registers a listener.
+   * @param {string} type The type of event to listen for.
+   * @param {!Function} fn The function to invoke when the event is fired.
+   * @param {Object=} opt_self The object in whose scope to invoke the listener.
+   * @return {!EventEmitter} A self reference.
+   */
+  addListener(type, fn, opt_self) {
+    return this.addListener_(type, fn, opt_self, false);
+  }
+
+  /**
+   * Registers a one-time listener which will be called only the first time an
+   * event is emitted, after which it will be removed.
+   * @param {string} type The type of event to listen for.
+   * @param {!Function} fn The function to invoke when the event is fired.
+   * @param {Object=} opt_self The object in whose scope to invoke the listener.
+   * @return {!EventEmitter} A self reference.
+   */
+  once(type, fn, opt_self) {
+    return this.addListener_(type, fn, opt_self, true);
+  }
+
+  /**
+   * An alias for {@link #addListener() addListener()}.
+   * @param {string} type The type of event to listen for.
+   * @param {!Function} fn The function to invoke when the event is fired.
+   * @param {Object=} opt_self The object in whose scope to invoke the listener.
+   * @return {!EventEmitter} A self reference.
+   */
+  on(type, fn, opt_self) {
+    return this.addListener(type, fn, opt_self);
+  }
+
+  /**
+   * Removes a previously registered event listener.
+   * @param {string} type The type of event to unregister.
+   * @param {!Function} listenerFn The handler function to remove.
+   * @return {!EventEmitter} A self reference.
+   */
+  removeListener(type, listenerFn) {
+    if (typeof type !== 'string' || typeof listenerFn !== 'function') {
+      throw TypeError('invalid args: expected (string, function), got ('
+          + (typeof type) + ', ' + (typeof listenerFn) + ')');
+    }
+
+    let events = EVENTS.get(this);
+    if (!events) {
+      return this;
+    }
+
+    let listeners = events.get(type);
+    if (!listeners) {
+      return this;
+    }
+
+    let match;
+    for (let listener of listeners) {
+      if (listener.fn === listenerFn) {
+        match = listener;
+        break;
+      }
+    }
+    if (match) {
+      listeners.delete(match);
+      if (!listeners.size) {
+        events.delete(type);
+      }
+    }
+    return this;
+  }
+
+  /**
+   * Removes all listeners for a specific type of event. If no event is
+   * specified, all listeners across all types will be removed.
+   * @param {string=} opt_type The type of event to remove listeners from.
+   * @return {!EventEmitter} A self reference.
+   */
+  removeAllListeners(opt_type) {
+    let events = EVENTS.get(this);
+    if (events) {
+      if (typeof opt_type === 'string') {
+        events.delete(opt_type);
+      } else {
+        EVENTS.delete(this);
+      }
+    }
+    return this;
+  }
+}
+
+
+// PUBLIC API
+
+
+module.exports = {
+  EventEmitter: EventEmitter,
+  Listener: Listener
+};

node_modules/selenium-webdriver/lib/input.js

@@ -0,0 +1,171 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+/**
+ * @fileoverview Defines types related to user input with the WebDriver API.
+ */
+
+
+/**
+ * Enumeration of the buttons used in the advanced interactions API.
+ * @enum {number}
+ */
+const Button = {
+  LEFT: 0,
+  MIDDLE: 1,
+  RIGHT: 2
+};
+
+
+
+/**
+ * Representations of pressable keys that aren't text.  These are stored in
+ * the Unicode PUA (Private Use Area) code points, 0xE000-0xF8FF.  Refer to
+ * http://www.google.com.au/search?&q=unicode+pua&btnG=Search
+ *
+ * @enum {string}
+ */
+const Key = {
+  NULL:         '\uE000',
+  CANCEL:       '\uE001',  // ^break
+  HELP:         '\uE002',
+  BACK_SPACE:   '\uE003',
+  TAB:          '\uE004',
+  CLEAR:        '\uE005',
+  RETURN:       '\uE006',
+  ENTER:        '\uE007',
+  SHIFT:        '\uE008',
+  CONTROL:      '\uE009',
+  ALT:          '\uE00A',
+  PAUSE:        '\uE00B',
+  ESCAPE:       '\uE00C',
+  SPACE:        '\uE00D',
+  PAGE_UP:      '\uE00E',
+  PAGE_DOWN:    '\uE00F',
+  END:          '\uE010',
+  HOME:         '\uE011',
+  ARROW_LEFT:   '\uE012',
+  LEFT:         '\uE012',
+  ARROW_UP:     '\uE013',
+  UP:           '\uE013',
+  ARROW_RIGHT:  '\uE014',
+  RIGHT:        '\uE014',
+  ARROW_DOWN:   '\uE015',
+  DOWN:         '\uE015',
+  INSERT:       '\uE016',
+  DELETE:       '\uE017',
+  SEMICOLON:    '\uE018',
+  EQUALS:       '\uE019',
+
+  NUMPAD0:      '\uE01A',  // number pad keys
+  NUMPAD1:      '\uE01B',
+  NUMPAD2:      '\uE01C',
+  NUMPAD3:      '\uE01D',
+  NUMPAD4:      '\uE01E',
+  NUMPAD5:      '\uE01F',
+  NUMPAD6:      '\uE020',
+  NUMPAD7:      '\uE021',
+  NUMPAD8:      '\uE022',
+  NUMPAD9:      '\uE023',
+  MULTIPLY:     '\uE024',
+  ADD:          '\uE025',
+  SEPARATOR:    '\uE026',
+  SUBTRACT:     '\uE027',
+  DECIMAL:      '\uE028',
+  DIVIDE:       '\uE029',
+
+  F1:           '\uE031',  // function keys
+  F2:           '\uE032',
+  F3:           '\uE033',
+  F4:           '\uE034',
+  F5:           '\uE035',
+  F6:           '\uE036',
+  F7:           '\uE037',
+  F8:           '\uE038',
+  F9:           '\uE039',
+  F10:          '\uE03A',
+  F11:          '\uE03B',
+  F12:          '\uE03C',
+
+  COMMAND:      '\uE03D',  // Apple command key
+  META:         '\uE03D'   // alias for Windows key
+};
+
+
+/**
+ * Simulate pressing many keys at once in a "chord". Takes a sequence of
+ * {@linkplain Key keys} or strings, appends each of the values to a string,
+ * adds the chord termination key ({@link Key.NULL}) and returns the resulting
+ * string.
+ *
+ * Note: when the low-level webdriver key handlers see Keys.NULL, active
+ * modifier keys (CTRL/ALT/SHIFT/etc) release via a keyup event.
+ *
+ * @param {...string} var_args The key sequence to concatenate.
+ * @return {string} The null-terminated key sequence.
+ */
+Key.chord = function(var_args) {
+  return Array.prototype.slice.call(arguments, 0).join('') + Key.NULL;
+};
+
+
+/**
+ * Used with {@link ./webelement.WebElement#sendKeys WebElement#sendKeys} on
+ * file input elements (`<input type="file">`) to detect when the entered key
+ * sequence defines the path to a file.
+ *
+ * By default, {@linkplain ./webelement.WebElement WebElement's} will enter all
+ * key sequences exactly as entered. You may set a
+ * {@linkplain ./webdriver.WebDriver#setFileDetector file detector} on the
+ * parent WebDriver instance to define custom behavior for handling file
+ * elements. Of particular note is the
+ * {@link selenium-webdriver/remote.FileDetector}, which should be used when
+ * running against a remote
+ * [Selenium Server](http://docs.seleniumhq.org/download/).
+ */
+class FileDetector {
+
+  /**
+   * Handles the file specified by the given path, preparing it for use with
+   * the current browser. If the path does not refer to a valid file, it will
+   * be returned unchanged, otherwise a path suitable for use with the current
+   * browser will be returned.
+   *
+   * This default implementation is a no-op. Subtypes may override this function
+   * for custom tailored file handling.
+   *
+   * @param {!./webdriver.WebDriver} driver The driver for the current browser.
+   * @param {string} path The path to process.
+   * @return {!Promise<string>} A promise for the processed file path.
+   * @package
+   */
+  handleFile(driver, path) {
+    return Promise.resolve(path);
+  }
+}
+
+
+// PUBLIC API
+
+
+module.exports = {
+  Button: Button,
+  Key: Key,
+  FileDetector: FileDetector
+};

node_modules/selenium-webdriver/lib/logging.js

@@ -0,0 +1,676 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+/**
+ * @fileoverview Defines WebDriver's logging system. The logging system is
+ * broken into major components: local and remote logging.
+ *
+ * The local logging API, which is anchored by the {@linkplain Logger} class is
+ * similar to Java's logging API. Loggers, retrieved by
+ * {@linkplain #getLogger getLogger(name)}, use hierarchical, dot-delimited
+ * namespaces (e.g. "" > "webdriver" > "webdriver.logging"). Recorded log
+ * messages are represented by the {@linkplain Entry} class. You can capture log
+ * records by {@linkplain Logger#addHandler attaching} a handler function to the
+ * desired logger. For convenience, you can quickly enable logging to the
+ * console by simply calling {@linkplain #installConsoleHandler
+ * installConsoleHandler}.
+ *
+ * The [remote logging API](https://github.com/SeleniumHQ/selenium/wiki/Logging)
+ * allows you to retrieve logs from a remote WebDriver server. This API uses the
+ * {@link Preferences} class to define desired log levels prior to creating
+ * a WebDriver session:
+ *
+ *     var prefs = new logging.Preferences();
+ *     prefs.setLevel(logging.Type.BROWSER, logging.Level.DEBUG);
+ *
+ *     var caps = Capabilities.chrome();
+ *     caps.setLoggingPrefs(prefs);
+ *     // ...
+ *
+ * Remote log entries, also represented by the {@link Entry} class, may be
+ * retrieved via {@link webdriver.WebDriver.Logs}:
+ *
+ *     driver.manage().logs().get(logging.Type.BROWSER)
+ *         .then(function(entries) {
+ *            entries.forEach(function(entry) {
+ *              console.log('[%s] %s', entry.level.name, entry.message);
+ *            });
+ *         });
+ *
+ * **NOTE:** Only a few browsers support the remote logging API (notably
+ * Firefox and Chrome). Firefox supports basic logging functionality, while
+ * Chrome exposes robust
+ * [performance logging](https://sites.google.com/a/chromium.org/chromedriver/logging)
+ * options. Remote logging is still considered a non-standard feature, and the
+ * APIs exposed by this module for it are non-frozen. This module will be
+ * updated, possibly breaking backwards-compatibility, once logging is
+ * officially defined by the
+ * [W3C WebDriver spec](http://www.w3.org/TR/webdriver/).
+ */
+
+/**
+ * Defines a message level that may be used to control logging output.
+ *
+ * @final
+ */
+class Level {
+  /**
+   * @param {string} name the level's name.
+   * @param {number} level the level's numeric value.
+   */
+  constructor(name, level) {
+    if (level < 0) {
+      throw new TypeError('Level must be >= 0');
+    }
+
+    /** @private {string} */
+    this.name_ = name;
+
+    /** @private {number} */
+    this.value_ = level;
+  }
+
+  /** This logger's name. */
+  get name() {
+    return this.name_;
+  }
+
+  /** The numeric log level. */
+  get value() {
+    return this.value_;
+  }
+
+  /** @override */
+  toString() {
+    return this.name;
+  }
+}
+
+/**
+ * Indicates no log messages should be recorded.
+ * @const
+ */
+Level.OFF = new Level('OFF', Infinity);
+
+
+/**
+ * Log messages with a level of `1000` or higher.
+ * @const
+ */
+Level.SEVERE = new Level('SEVERE', 1000);
+
+
+/**
+ * Log messages with a level of `900` or higher.
+ * @const
+ */
+Level.WARNING = new Level('WARNING', 900);
+
+
+/**
+ * Log messages with a level of `800` or higher.
+ * @const
+ */
+Level.INFO = new Level('INFO', 800);
+
+
+/**
+ * Log messages with a level of `700` or higher.
+ * @const
+ */
+Level.DEBUG = new Level('DEBUG', 700);
+
+
+/**
+ * Log messages with a level of `500` or higher.
+ * @const
+ */
+Level.FINE = new Level('FINE', 500);
+
+
+/**
+ * Log messages with a level of `400` or higher.
+ * @const
+ */
+Level.FINER = new Level('FINER', 400);
+
+
+/**
+ * Log messages with a level of `300` or higher.
+ * @const
+ */
+Level.FINEST = new Level('FINEST', 300);
+
+
+/**
+ * Indicates all log messages should be recorded.
+ * @const
+ */
+Level.ALL = new Level('ALL', 0);
+
+
+const ALL_LEVELS = /** !Set<Level> */new Set([
+  Level.OFF,
+  Level.SEVERE,
+  Level.WARNING,
+  Level.INFO,
+  Level.DEBUG,
+  Level.FINE,
+  Level.FINER,
+  Level.FINEST,
+  Level.ALL
+]);
+
+
+const LEVELS_BY_NAME = /** !Map<string, !Level> */ new Map([
+  [Level.OFF.name, Level.OFF],
+  [Level.SEVERE.name, Level.SEVERE],
+  [Level.WARNING.name, Level.WARNING],
+  [Level.INFO.name, Level.INFO],
+  [Level.DEBUG.name, Level.DEBUG],
+  [Level.FINE.name, Level.FINE],
+  [Level.FINER.name, Level.FINER],
+  [Level.FINEST.name, Level.FINEST],
+  [Level.ALL.name, Level.ALL]
+]);
+
+
+/**
+ * Converts a level name or value to a {@link Level} value. If the name/value
+ * is not recognized, {@link Level.ALL} will be returned.
+ *
+ * @param {(number|string)} nameOrValue The log level name, or value, to
+ *     convert.
+ * @return {!Level} The converted level.
+ */
+function getLevel(nameOrValue) {
+  if (typeof nameOrValue === 'string') {
+    return LEVELS_BY_NAME.get(nameOrValue) || Level.ALL;
+  }
+  if (typeof nameOrValue !== 'number') {
+    throw new TypeError('not a string or number');
+  }
+  for (let level of ALL_LEVELS) {
+    if (nameOrValue >= level.value) {
+      return level;
+    }
+  }
+  return Level.ALL;
+}
+
+
+/**
+ * Describes a single log entry.
+ *
+ * @final
+ */
+class Entry {
+  /**
+   * @param {(!Level|string|number)} level The entry level.
+   * @param {string} message The log message.
+   * @param {number=} opt_timestamp The time this entry was generated, in
+   *     milliseconds since 0:00:00, January 1, 1970 UTC. If omitted, the
+   *     current time will be used.
+   * @param {string=} opt_type The log type, if known.
+   */
+  constructor(level, message, opt_timestamp, opt_type) {
+    this.level = level instanceof Level ? level : getLevel(level);
+    this.message = message;
+    this.timestamp =
+        typeof opt_timestamp === 'number' ? opt_timestamp : Date.now();
+    this.type = opt_type || '';
+  }
+
+  /**
+   * @return {{level: string, message: string, timestamp: number,
+   *           type: string}} The JSON representation of this entry.
+   */
+  toJSON() {
+    return {
+      'level': this.level.name,
+      'message': this.message,
+      'timestamp': this.timestamp,
+      'type': this.type
+    };
+  }
+}
+
+
+/** @typedef {(string|function(): string)} */
+let Loggable;
+
+
+/**
+ * An object used to log debugging messages. Loggers use a hierarchical,
+ * dot-separated naming scheme. For instance, "foo" is considered the parent of
+ * the "foo.bar" and an ancestor of "foo.bar.baz".
+ *
+ * Each logger may be assigned a {@linkplain #setLevel log level}, which
+ * controls which level of messages will be reported to the
+ * {@linkplain #addHandler handlers} attached to this instance. If a log level
+ * is not explicitly set on a logger, it will inherit its parent.
+ *
+ * This class should never be directly instantiated. Instead, users should
+ * obtain logger references using the {@linkplain ./logging.getLogger()
+ * getLogger()} function.
+ *
+ * @final
+ */
+class Logger {
+  /**
+   * @param {string} name the name of this logger.
+   * @param {Level=} opt_level the initial level for this logger.
+   */
+  constructor(name, opt_level) {
+    /** @private {string} */
+    this.name_ = name;
+
+    /** @private {Level} */
+    this.level_ = opt_level || null;
+
+    /** @private {Logger} */
+    this.parent_ = null;
+
+    /** @private {Set<function(!Entry)>} */
+    this.handlers_ = null;
+  }
+
+  /** @return {string} the name of this logger. */
+  getName() {
+    return this.name_;
+  }
+
+  /**
+   * @param {Level} level the new level for this logger, or `null` if the logger
+   *     should inherit its level from its parent logger.
+   */
+  setLevel(level) {
+    this.level_ = level;
+  }
+
+  /** @return {Level} the log level for this logger. */
+  getLevel() {
+    return this.level_;
+  }
+
+  /**
+   * @return {!Level} the effective level for this logger.
+   */
+  getEffectiveLevel() {
+    let logger = this;
+    let level;
+    do {
+      level = logger.level_;
+      logger = logger.parent_;
+    } while (logger && !level);
+    return level || Level.OFF;
+  }
+
+  /**
+   * @param {!Level} level the level to check.
+   * @return {boolean} whether messages recorded at the given level are loggable
+   *     by this instance.
+   */
+  isLoggable(level) {
+    return level.value !== Level.OFF.value
+        && level.value >= this.getEffectiveLevel().value;
+  }
+
+  /**
+   * Adds a handler to this logger. The handler will be invoked for each message
+   * logged with this instance, or any of its descendants.
+   *
+   * @param {function(!Entry)} handler the handler to add.
+   */
+  addHandler(handler) {
+    if (!this.handlers_) {
+      this.handlers_ = new Set;
+    }
+    this.handlers_.add(handler);
+  }
+
+  /**
+   * Removes a handler from this logger.
+   *
+   * @param {function(!Entry)} handler the handler to remove.
+   * @return {boolean} whether a handler was successfully removed.
+   */
+  removeHandler(handler) {
+    if (!this.handlers_) {
+      return false;
+    }
+    return this.handlers_.delete(handler);
+  }
+
+  /**
+   * Logs a message at the given level. The message may be defined as a string
+   * or as a function that will return the message. If a function is provided,
+   * it will only be invoked if this logger's
+   * {@linkplain #getEffectiveLevel() effective log level} includes the given
+   * `level`.
+   *
+   * @param {!Level} level the level at which to log the message.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  log(level, loggable) {
+    if (!this.isLoggable(level)) {
+      return;
+    }
+    let message = '[' + this.name_ + '] '
+        + (typeof loggable === 'function' ? loggable() : loggable);
+    let entry = new Entry(level, message, Date.now());
+    for (let logger = this; !!logger; logger = logger.parent_) {
+      if (logger.handlers_) {
+        for (let handler of logger.handlers_) {
+          handler(entry);
+        }
+      }
+    }
+  }
+
+  /**
+   * Logs a message at the {@link Level.SEVERE} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  severe(loggable) {
+    this.log(Level.SEVERE, loggable);
+  }
+
+  /**
+   * Logs a message at the {@link Level.WARNING} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  warning(loggable) {
+    this.log(Level.WARNING, loggable);
+  }
+
+  /**
+   * Logs a message at the {@link Level.INFO} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  info(loggable) {
+    this.log(Level.INFO, loggable);
+  }
+
+  /**
+   * Logs a message at the {@link Level.DEBUG} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  debug(loggable) {
+    this.log(Level.DEBUG, loggable);
+  }
+
+  /**
+   * Logs a message at the {@link Level.FINE} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  fine(loggable) {
+    this.log(Level.FINE, loggable);
+  }
+
+  /**
+   * Logs a message at the {@link Level.FINER} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  finer(loggable) {
+    this.log(Level.FINER, loggable);
+  }
+
+  /**
+   * Logs a message at the {@link Level.FINEST} log level.
+   * @param {(string|function(): string)} loggable the message to log, or a
+   *     function that will return the message.
+   */
+  finest(loggable) {
+    this.log(Level.FINEST, loggable);
+  }
+}
+
+
+/**
+ * Maintains a collection of loggers.
+ *
+ * @final
+ */
+class LogManager {
+  constructor() {
+    /** @private {!Map<string, !Logger>} */
+    this.loggers_ = new Map;
+    this.root_ = new Logger('', Level.OFF);
+  }
+
+  /**
+   * Retrieves a named logger, creating it in the process. This function will
+   * implicitly create the requested logger, and any of its parents, if they
+   * do not yet exist.
+   *
+   * @param {string} name the logger's name.
+   * @return {!Logger} the requested logger.
+   */
+  getLogger(name) {
+    if (!name) {
+      return this.root_;
+    }
+    let parent = this.root_;
+    for (let i = name.indexOf('.'); i != -1; i = name.indexOf('.', i + 1)) {
+      let parentName = name.substr(0, i);
+      parent = this.createLogger_(parentName, parent);
+    }
+    return this.createLogger_(name, parent);
+  }
+
+  /**
+   * Creates a new logger.
+   *
+   * @param {string} name the logger's name.
+   * @param {!Logger} parent the logger's parent.
+   * @return {!Logger} the new logger.
+   * @private
+   */
+  createLogger_(name, parent) {
+    if (this.loggers_.has(name)) {
+      return /** @type {!Logger} */(this.loggers_.get(name));
+    }
+    let logger = new Logger(name, null);
+    logger.parent_ = parent;
+    this.loggers_.set(name, logger);
+    return logger;
+  }
+}
+
+
+const logManager = new LogManager;
+
+
+/**
+ * Retrieves a named logger, creating it in the process. This function will
+ * implicitly create the requested logger, and any of its parents, if they
+ * do not yet exist.
+ *
+ * The log level will be unspecified for newly created loggers. Use
+ * {@link Logger#setLevel(level)} to explicitly set a level.
+ *
+ * @param {string} name the logger's name.
+ * @return {!Logger} the requested logger.
+ */
+function getLogger(name) {
+  return logManager.getLogger(name);
+}
+
+
+/**
+ * Pads a number to ensure it has a minimum of two digits.
+ * 
+ * @param {number} n the number to be padded.
+ * @return {string} the padded number.
+ */
+function pad(n) {
+  if (n >= 10) {
+    return '' + n;
+  } else {
+    return '0' + n;
+  }
+}
+
+
+/**
+ * Logs all messages to the Console API.
+ * @param {!Entry} entry the entry to log.
+ */
+function consoleHandler(entry) {
+  if (typeof console === 'undefined' || !console) {
+    return;
+  }
+
+  var timestamp = new Date(entry.timestamp);
+  var msg =
+      '[' + timestamp.getUTCFullYear() + '-' +
+      pad(timestamp.getUTCMonth() + 1) + '-' +
+      pad(timestamp.getUTCDate()) + 'T' +
+      pad(timestamp.getUTCHours()) + ':' +
+      pad(timestamp.getUTCMinutes()) + ':' +
+      pad(timestamp.getUTCSeconds()) + 'Z] ' +
+      '[' + entry.level.name + '] ' +
+      entry.message;
+
+  var level = entry.level.value;
+  if (level >= Level.SEVERE.value) {
+    console.error(msg);
+  } else if (level >= Level.WARNING.value) {
+    console.warn(msg);
+  } else {
+    console.log(msg);
+  }
+}
+
+
+/**
+ * Adds the console handler to the given logger. The console handler will log
+ * all messages using the JavaScript Console API.
+ *
+ * @param {Logger=} opt_logger The logger to add the handler to; defaults
+ *     to the root logger.
+ */
+function addConsoleHandler(opt_logger) {
+  let logger = opt_logger || logManager.root_;
+  logger.addHandler(consoleHandler);
+}
+
+
+/**
+ * Removes the console log handler from the given logger.
+ *
+ * @param {Logger=} opt_logger The logger to remove the handler from; defaults
+ *     to the root logger.
+ * @see exports.addConsoleHandler
+ */
+function removeConsoleHandler(opt_logger) {
+  let logger = opt_logger || logManager.root_;
+  logger.removeHandler(consoleHandler);
+}
+
+
+/**
+ * Installs the console log handler on the root logger.
+ */
+function installConsoleHandler() {
+  addConsoleHandler(logManager.root_);
+}
+
+
+/**
+ * Common log types.
+ * @enum {string}
+ */
+const Type = {
+  /** Logs originating from the browser. */
+  BROWSER: 'browser',
+  /** Logs from a WebDriver client. */
+  CLIENT: 'client',
+  /** Logs from a WebDriver implementation. */
+  DRIVER: 'driver',
+  /** Logs related to performance. */
+  PERFORMANCE: 'performance',
+  /** Logs from the remote server. */
+  SERVER: 'server'
+};
+
+
+/**
+ * Describes the log preferences for a WebDriver session.
+ *
+ * @final
+ */
+class Preferences {
+  constructor() {
+    /** @private {!Map<string, !Level>} */
+    this.prefs_ = new Map;
+  }
+
+  /**
+   * Sets the desired logging level for a particular log type.
+   * @param {(string|Type)} type The log type.
+   * @param {(!Level|string|number)} level The desired log level.
+   * @throws {TypeError} if `type` is not a `string`.
+   */
+  setLevel(type, level) {
+    if (typeof type !== 'string') {
+      throw TypeError('specified log type is not a string: ' + typeof type);
+    }
+    this.prefs_.set(type, level instanceof Level ? level : getLevel(level));
+  }
+
+  /**
+   * Converts this instance to its JSON representation.
+   * @return {!Object<string, string>} The JSON representation of this set of
+   *     preferences.
+   */
+  toJSON() {
+    let json = {};
+    for (let key of this.prefs_.keys()) {
+      json[key] = this.prefs_.get(key).name;
+    }
+    return json;
+  }
+}
+
+
+// PUBLIC API
+
+
+module.exports = {
+  Entry: Entry,
+  Level: Level,
+  LogManager: LogManager,
+  Logger: Logger,
+  Preferences: Preferences,
+  Type: Type,
+  addConsoleHandler: addConsoleHandler,
+  getLevel: getLevel,
+  getLogger: getLogger,
+  installConsoleHandler: installConsoleHandler,
+  removeConsoleHandler: removeConsoleHandler
+};

node_modules/selenium-webdriver/lib/session.js

@@ -0,0 +1,80 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+const {Capabilities} = require('./capabilities');
+
+
+/**
+ * Contains information about a single WebDriver session.
+ */
+class Session {
+
+  /**
+   * @param {string} id The session ID.
+   * @param {!(Object|Capabilities)} capabilities The session
+   *     capabilities.
+   */
+  constructor(id, capabilities) {
+    /** @private {string} */
+    this.id_ = id;
+
+    /** @private {!Capabilities} */
+    this.caps_ = capabilities instanceof Capabilities
+        ? /** @type {!Capabilities} */(capabilities)
+        : new Capabilities(capabilities);
+  }
+
+  /**
+   * @return {string} This session's ID.
+   */
+  getId() {
+    return this.id_;
+  }
+
+  /**
+   * @return {!Capabilities} This session's capabilities.
+   */
+  getCapabilities() {
+    return this.caps_;
+  }
+
+  /**
+   * Retrieves the value of a specific capability.
+   * @param {string} key The capability to retrieve.
+   * @return {*} The capability value.
+   */
+  getCapability(key) {
+    return this.caps_.get(key);
+  }
+
+  /**
+   * Returns the JSON representation of this object, which is just the string
+   * session ID.
+   * @return {string} The JSON representation of this Session.
+   */
+  toJSON() {
+    return this.getId();
+  }
+}
+
+
+// PUBLIC API
+
+
+module.exports = {Session: Session};

node_modules/selenium-webdriver/lib/symbols.js

@@ -0,0 +1,38 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+/**
+ * @fileoverview Defines well-known symbols used within the selenium-webdriver
+ * library.
+ */
+
+
+module.exports = {
+  /**
+   * The serialize symbol specifies a method that returns an object's serialized
+   * representation. If an object's serialized form is not immediately
+   * available, the serialize method will return a promise that will be resolved
+   * with the serialized form.
+   *
+   * Note that the described method is analogous to objects that define a
+   * `toJSON()` method, except the serialized result may be a promise, or
+   * another object with a promised property.
+   */
+  serialize: Symbol('serialize')
+};

node_modules/selenium-webdriver/lib/test/build.js

@@ -0,0 +1,151 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+'use strict';
+
+const spawn = require('child_process').spawn,
+    fs = require('fs'),
+    path = require('path');
+
+const isDevMode = require('../devmode');
+
+var projectRoot = path.normalize(path.join(__dirname, '../../../../..'));
+
+
+function checkIsDevMode() {
+  if (!isDevMode) {
+    throw Error('Cannot execute build; not running in dev mode');
+  }
+}
+
+
+/**
+ * Targets that have been previously built.
+ * @type {!Object}
+ */
+var builtTargets = {};
+
+
+/**
+ * @param {!Array.<string>} targets The targets to build.
+ * @throws {Error} If not running in dev mode.
+ * @constructor
+ */
+var Build = function(targets) {
+  checkIsDevMode();
+  this.targets_ = targets;
+};
+
+
+/** @private {boolean} */
+Build.prototype.cacheResults_ = false;
+
+
+/**
+ * Configures this build to only execute if it has not previously been
+ * run during the life of the current process.
+ * @return {!Build} A self reference.
+ */
+Build.prototype.onlyOnce = function() {
+  this.cacheResults_ = true;
+  return this;
+};
+
+
+/**
+ * Executes the build.
+ * @return {!Promise} A promise that will be resolved when
+ *     the build has completed.
+ * @throws {Error} If no targets were specified.
+ */
+Build.prototype.go = function() {
+  var targets = this.targets_;
+  if (!targets.length) {
+    throw Error('No targets specified');
+  }
+
+  // Filter out cached results.
+  if (this.cacheResults_) {
+    targets = targets.filter(function(target) {
+      return !builtTargets.hasOwnProperty(target);
+    });
+
+    if (!targets.length) {
+      return Promise.resolve();
+    }
+  }
+
+  console.log('\nBuilding', targets.join(' '), '...');
+
+  var cmd, args = targets;
+  if (process.platform === 'win32') {
+    cmd = 'cmd.exe';
+    args.unshift('/c', path.join(projectRoot, 'go.bat'));
+  } else {
+    cmd = path.join(projectRoot, 'go');
+  }
+
+  return new Promise((resolve, reject) => {
+    spawn(cmd, args, {
+      cwd: projectRoot,
+      env: process.env,
+      stdio: ['ignore', process.stdout, process.stderr]
+    }).on('exit', function(code, signal) {
+      if (code === 0) {
+        targets.forEach(function(target) {
+          builtTargets[target] = 1;
+        });
+        return resolve();
+      }
+
+      var msg = 'Unable to build artifacts';
+      if (code) {  // May be null.
+        msg += '; code=' + code;
+      }
+      if (signal) {
+        msg += '; signal=' + signal;
+      }
+
+      reject(Error(msg));
+    });
+  });
+};
+
+
+// PUBLIC API
+
+
+/**
+ * Creates a build of the listed targets.
+ * @param {...string} var_args The targets to build.
+ * @return {!Build} The new build.
+ * @throws {Error} If not running in dev mode.
+ */
+exports.of = function(var_args) {
+  var targets = Array.prototype.slice.call(arguments, 0);
+  return new Build(targets);
+};
+
+
+/**
+ * @return {string} Absolute path of the project's root directory.
+ * @throws {Error} If not running in dev mode.
+ */
+exports.projectRoot = function() {
+  checkIsDevMode();
+  return projectRoot;
+};

node_modules/selenium-webdriver/lib/test/data/ClickTest_testClicksASurroundingStrongTag.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>ClickTest_testClicksASurroundingStrongTag</title>
+</head>
+<body>
+  <div>
+    <a href="xhtmlTest.html"><strong>Click</strong></a>
+  </div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/Page.aspx

@@ -0,0 +1,17 @@
+<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Page.aspx.cs" Inherits="Page" %>
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml" >
+<head runat="server">
+    <title>Untitled Page</title>
+</head>
+<body>
+    <a href="../xhtmlTest.html" target="_top">top</a>
+    <form id="form1" runat="server">
+    <div>
+    
+    </div>
+    </form>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/Page.aspx.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Threading;
+
+public partial class Page : System.Web.UI.Page
+{
+    protected void Page_Load(object sender, EventArgs e)
+    {
+        Response.ContentType = "text/html";
+
+        int lastIndex = Request.PathInfo.LastIndexOf("/");
+        string pageNumber = (lastIndex == -1 ? "Unknown" : Request.PathInfo.Substring(lastIndex + 1));
+        if (!string.IsNullOrEmpty(Request.QueryString["pageNumber"]))
+        {
+            pageNumber = Request.QueryString["pageNumber"];
+        }
+        Response.Output.Write("<html><head><title>Page" + pageNumber + "</title></head>");
+        Response.Output.Write("<body>Page number <span id=\"pageNumber\">");
+        Response.Output.Write(pageNumber);
+        //Response.Output.Write("<script>var s=''; for (var i in window) {s += i + ' -> ' + window[i] + '<p>';} document.write(s);</script>")'
+        Response.Output.Write("</span></body></html>");
+    }
+}

node_modules/selenium-webdriver/lib/test/data/Redirect.aspx

@@ -0,0 +1,11 @@
+<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Redirect.aspx.cs" Inherits="Redirect" %>
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml" >
+<head runat="server">
+    <title>Untitled Page</title>
+</head>
+<body>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/Redirect.aspx.cs

@@ -0,0 +1,9 @@
+using System;
+
+public partial class Redirect : Page
+{
+    protected new void Page_Load(object sender, EventArgs e)
+    {
+        Response.Redirect("resultPage.html");
+    }
+}

node_modules/selenium-webdriver/lib/test/data/Settings.StyleCop

@@ -0,0 +1,759 @@
+<StyleCopSettings Version="4.3">
+  <Analyzers>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.DocumentationRules">
+      <Rules>
+        <Rule Name="ElementsMustBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PartialElementsMustBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="EnumerationItemsMustBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationMustContainValidXml">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementDocumentationMustHaveSummary">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PartialElementDocumentationMustHaveSummary">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementDocumentationMustHaveSummaryText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PartialElementDocumentationMustHaveSummaryText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementDocumentationMustNotHaveDefaultSummary">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementParametersMustBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementParameterDocumentationMustMatchElementParameters">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementParameterDocumentationMustDeclareParameterName">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementParameterDocumentationMustHaveText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementReturnValueMustBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementReturnValueDocumentationMustHaveText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="VoidReturnValueMustNotBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="GenericTypeParametersMustBeDocumented">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="GenericTypeParametersMustBeDocumentedPartialClass">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="GenericTypeParameterDocumentationMustMatchTypeParameters">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="GenericTypeParameterDocumentationMustDeclareParameterName">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="GenericTypeParameterDocumentationMustHaveText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PropertySummaryDocumentationMustMatchAccessors">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PropertySummaryDocumentationMustOmitSetAccessorWithRestrictedAccess">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementDocumentationMustNotBeCopiedAndPasted">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SingleLineCommentsMustNotUseDocumentationStyleSlashes">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationTextMustNotBeEmpty">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationTextMustContainWhitespace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationMustMeetCharacterPercentage">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationTextMustMeetMinimumCharacterLength">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ConstructorSummaryDocumentationMustBeginWithStandardText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DestructorSummaryDocumentationMustBeginWithStandardText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationHeadersMustNotContainBlankLines">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="IncludedDocumentationXPathDoesNotExist">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="IncludeNodeDoesNotContainValidFileAndPath">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileMustHaveHeader">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileHeaderMustShowCopyright">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileHeaderMustHaveCopyrightText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileHeaderMustContainFileName">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileHeaderFileNameDocumentationMustMatchFileName">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileHeaderMustHaveValidCompanyText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.LayoutRules">
+      <Rules>
+        <Rule Name="CurlyBracketsForMultiLineStatementsMustNotShareLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="StatementMustNotBeOnSingleLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementMustNotBeOnSingleLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CurlyBracketsMustNotBeOmitted">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="AllAccessorsMustBeMultiLineOrSingleLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningCurlyBracketsMustNotBeFollowedByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementDocumentationHeadersMustNotBeFollowedByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CodeMustNotContainMultipleBlankLinesInARow">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingCurlyBracketsMustNotBePrecededByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningCurlyBracketsMustNotBePrecededByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ChainedStatementBlocksMustNotBePrecededByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="WhileDoFooterMustNotBePrecededByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SingleLineCommentsMustNotBeFollowedByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingCurlyBracketMustBeFollowedByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementDocumentationHeaderMustBePrecededByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SingleLineCommentMustBePrecededByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementsMustBeSeparatedByBlankLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.MaintainabilityRules">
+      <Rules>
+        <Rule Name="AccessModifierMustBeDeclared">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FieldsMustBePrivate">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CodeAnalysisSuppressionMustHaveJustification">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DebugAssertMustProvideMessageText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DebugFailMustProvideMessageText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileMayOnlyContainASingleClass">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FileMayOnlyContainASingleNamespace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="StatementMustNotUseUnnecessaryParenthesis">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ArithmeticExpressionsMustDeclarePrecedence">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ConditionalExpressionsMustDeclarePrecedence">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="RemoveDelegateParenthesisWhenPossible">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="RemoveUnnecessaryCode">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.NamingRules">
+      <Rules>
+        <Rule Name="ElementMustBeginWithUpperCaseLetter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementMustBeginWithLowerCaseLetter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="InterfaceNamesMustBeginWithI">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ConstFieldNamesMustBeginWithUpperCaseLetter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="NonPrivateReadonlyFieldsMustBeginWithUpperCaseLetter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FieldNamesMustNotUseHungarianNotation">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FieldNamesMustBeginWithLowerCaseLetter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="AccessibleFieldsMustBeginWithUpperCaseLetter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="VariableNamesMustNotBePrefixed">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FieldNamesMustNotBeginWithUnderscore">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="FieldNamesMustNotContainUnderscore">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.OrderingRules">
+      <Rules>
+        <Rule Name="UsingDirectivesMustBePlacedWithinNamespace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementsMustAppearInTheCorrectOrder">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ElementsMustBeOrderedByAccess">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ConstantsMustAppearBeforeFields">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="StaticElementsMustAppearBeforeInstanceElements">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DeclarationKeywordsMustFollowOrder">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ProtectedMustComeBeforeInternal">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PropertyAccessorsMustFollowOrder">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="EventAccessorsMustFollowOrder">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SystemUsingDirectivesMustBePlacedBeforeOtherUsingDirectives">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="UsingAliasDirectivesMustBePlacedAfterOtherUsingDirectives">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="UsingDirectivesMustBeOrderedAlphabeticallyByNamespace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="UsingAliasDirectivesMustBeOrderedAlphabeticallyByAliasName">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.ReadabilityRules">
+      <Rules>
+        <Rule Name="CommentsMustContainText">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DoNotPrefixCallsWithBaseUnlessLocalImplementationExists">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PrefixLocalCallsWithThis">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningParenthesisMustBeOnDeclarationLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingParenthesisMustBeOnLineOfLastParameter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingParenthesisMustBeOnLineOfOpeningParenthesis">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CommaMustBeOnSameLineAsPreviousParameter">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ParameterListMustFollowDeclaration">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ParameterMustFollowComma">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SplitParametersMustStartOnLineAfterDeclaration">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ParametersMustBeOnSameLineOrSeparateLines">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ParameterMustNotSpanMultipleLines">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="QueryClauseMustFollowPreviousClause">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="QueryClausesMustBeOnSeparateLinesOrAllOnOneLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="QueryClauseMustBeginOnNewLineWhenPreviousClauseSpansMultipleLines">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="QueryClausesSpanningMultipleLinesMustBeginOnOwnLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DoNotPlaceRegionsWithinElements">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CodeMustNotContainEmptyStatements">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CodeMustNotContainMultipleStatementsOnOneLine">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="BlockStatementsMustNotContainEmbeddedComments">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="BlockStatementsMustNotContainEmbeddedRegions">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="UseStringEmptyForEmptyStrings">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="UseBuiltInTypeAlias">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+    <Analyzer AnalyzerId="Microsoft.StyleCop.CSharp.SpacingRules">
+      <Rules>
+        <Rule Name="KeywordsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CommasMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SemicolonsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SymbolsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DocumentationLinesMustBeginWithSingleSpace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="SingleLineCommentsMustBeginWithSingleSpace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PreprocessorKeywordsMustNotBePrecededBySpace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OperatorKeywordMustBeFollowedBySpace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningParenthesisMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingParenthesisMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningSquareBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingSquareBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningCurlyBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingCurlyBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningGenericBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingGenericBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="OpeningAttributeBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ClosingAttributeBracketsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="NullableTypeSymbolsMustNotBePrecededBySpace">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="MemberAccessSymbolsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="IncrementDecrementSymbolsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="NegativeSignsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="PositiveSignsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="DereferenceAndAccessOfSymbolsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="ColonsMustBeSpacedCorrectly">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CodeMustNotContainMultipleWhitespaceInARow">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="CodeMustNotContainSpaceAfterNewKeywordInImplicitlyTypedArrayAllocation">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+        <Rule Name="TabsMustNotBeUsed">
+          <RuleSettings>
+            <BooleanProperty Name="Enabled">False</BooleanProperty>
+          </RuleSettings>
+        </Rule>
+      </Rules>
+      <AnalyzerSettings />
+    </Analyzer>
+  </Analyzers>
+</StyleCopSettings>

node_modules/selenium-webdriver/lib/test/data/Web.Config

@@ -0,0 +1,59 @@
+<?xml version="1.0"?>
+<!-- 
+    Note: As an alternative to hand editing this file you can use the 
+    web admin tool to configure settings for your application. Use
+    the Website->Asp.Net Configuration option in Visual Studio.
+    A full list of settings and comments can be found in 
+    machine.config.comments usually located in 
+    \Windows\Microsoft.Net\Framework\v2.x\Config 
+-->
+<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
+	<configSections>
+		<section name="rewriter" requirePermission="false" type="Intelligencia.UrlRewriter.Configuration.RewriterConfigurationSectionHandler, Intelligencia.UrlRewriter"/>
+	</configSections>
+	<appSettings/>
+	<connectionStrings/>
+	<system.web>
+		<!-- 
+            Set compilation debug="true" to insert debugging 
+            symbols into the compiled page. Because this 
+            affects performance, set this value to true only 
+            during development.
+        -->
+		<compilation debug="true" defaultLanguage="c#" targetFramework="4.0"/>
+		<!--
+            The <authentication> section enables configuration 
+            of the security authentication mode used by 
+            ASP.NET to identify an incoming user. 
+        -->
+		<authentication mode="Windows"/>
+		<!--
+            The <customErrors> section enables configuration 
+            of what to do if/when an unhandled error occurs 
+            during the execution of a request. Specifically, 
+            it enables developers to configure html error pages 
+            to be displayed in place of a error stack trace.
+
+        <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
+            <error statusCode="403" redirect="NoAccess.htm" />
+            <error statusCode="404" redirect="FileNotFound.htm" />
+        </customErrors>
+        -->
+		<httpModules>
+			<add name="UrlRewriter" type="Intelligencia.UrlRewriter.RewriterHttpModule, Intelligencia.UrlRewriter"/>
+		</httpModules>
+		<!--urlMappings enabled="true">
+      <add url="~/redirect" mappedUrl="~/Redirect.aspx" />
+    </urlMappings-->
+		<pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID"/></system.web>
+	<system.webServer>
+		<modules runAllManagedModulesForAllRequests="true">
+			<add name="UrlRewriter" type="Intelligencia.UrlRewriter.RewriterHttpModule"/>
+		</modules>
+	</system.webServer>
+	<rewriter>
+		<rewrite url="~/redirect" to="~/Redirect.aspx"/>
+		<rewrite url="~/page/([0-9]+)$" to="~/Page.aspx?pageNumber=$1"/>
+		<rewrite url="~/page/([0-9]+)(\?)(.*)" to="~/Page.aspx?pageNumber=$1&amp;$3"/>
+	</rewriter>
+</configuration>

node_modules/selenium-webdriver/lib/test/data/actualXhtmlPage.xhtml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>
+      Title
+    </title>
+  </head>
+  <body>
+    <p>
+     <a href="/foo">Foo</a>
+    </p>
+  </body>
+</html>

node_modules/selenium-webdriver/lib/test/data/ajaxy_page.html

@@ -0,0 +1,81 @@
+<!DOCTYPE html>
+<html>
+<body>
+<form action="javascript:updateDom()">
+  <label for="typer">New label text:</label>
+  <input name="typer" type="text"/>
+  <br/>
+  <label for="color">Select label color:</label>
+  <input name="color" id="red" value="red" type="radio"/>Red
+  <input name="color" id="green" value="green" type="radio"/>Green
+  <br/>
+  <input name="submit" type="submit" value="Add Label"/>
+</form>
+<div id="update_butter" style="display:none"></div>
+<script>
+  var butter = document.getElementById('update_butter');
+
+  var textProperty = butter['innerText'] ? 'innerText' : 'textContent';
+
+  var listeners = [];
+  function registerListener(fn) {
+    listeners.push(fn);
+  }
+
+  function updateDom() {
+    butter.style.display = 'block';
+    butter[textProperty] = 'Updating';
+    disableForm();
+    tick();
+  }
+
+  function disableForm() {
+    var inputs = document.getElementsByTagName('input');
+    for (var i = 0, input; input = inputs[i]; ++i) {
+      input.disabled = true;
+    }
+  }
+
+  function enableForm() {
+    var inputs = document.getElementsByTagName('input');
+    for (var i = 0, input; input = inputs[i]; ++i) {
+      input.disabled = false;
+    }
+  }
+
+  function tick() {
+    var length = butter[textProperty].substring('Updating'.length).length;
+    if (length != 10) {
+      butter[textProperty] += '.';
+      window.setTimeout(tick, 500);
+    } else {
+      enableForm();
+      var div = document.createElement('div');
+      var colors = document.forms[0].color;
+      for (var i = 0, color; color = colors[i]; ++i) {
+        if (color.checked) {
+          div.style.backgroundColor = color.value;
+          break;
+        }
+      }
+      div[textProperty] = document.forms[0].typer.value;
+      div.className = 'label';
+      document.forms[0].typer.value = '';
+      document.body.appendChild(div);
+
+      butter[textProperty] = 'Done!';
+
+      window.setTimeout(function() {
+        while (listeners.length) {
+          try {
+            listeners.shift()(div[textProperty]);
+          } catch (e) {
+            butter[textProperty] = "Exception seen: " + e;
+          }
+        }
+      }, 500);
+    }
+  }
+</script>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/alerts.html

@@ -0,0 +1,85 @@
+<html>
+<!-- Padding to account for small screens of mobile devices -->
+<style>
+    p {margin-top:48px;}
+</style>
+<head>
+    <title>Testing Alerts</title>
+
+    <script type="text/javascript">
+        function setInnerText(id, value) {
+          document.getElementById(id).innerHTML = '<p>' + value + '</p>';
+        }
+
+        function displayPrompt() {
+          setInnerText('text', prompt('Enter something'));
+        }
+
+        function displayPromptWithDefault() {
+          setInnerText('text', prompt('Enter something', 'This is a default value'));
+        }
+
+        function displayTwoPrompts() {
+          setInnerText('text1', prompt('First'));
+          setInnerText('text2', prompt('Second'));
+        }
+
+        function slowAlert() {
+          window.setTimeout(function() {
+            alert('Slow');
+          }, 200);
+        }
+    </script>
+</head>
+<body>
+
+<h1>Testing Alerts and Stuff</h1>
+
+<p>This tests alerts: <a href="#" id="alert" onclick="alert('cheese');">click me</a></p>
+
+<p>This tests alerts: <a href="#" id="empty-alert" onclick="alert('');">click me</a></p>
+
+<p>Let's make the <a href="#" id="prompt" onclick="displayPrompt();">prompt happen</a></p>
+
+<p>Let's make the <a href="#" id="prompt-with-default" onclick="displayPromptWithDefault();">prompt with default happen</a></p>
+
+<p>Let's make TWO <a href="#" id="double-prompt" onclick="displayTwoPrompts();">prompts happen</a></p>
+
+<p>A <a href="#" id="slow-alert" onclick="slowAlert();">SLOW</a> alert</p>
+
+<p>This is a test of a confirm:
+    <a href="simpleTest.html" id="confirm" onclick="return confirm('Are you sure?');">test confirm</a></p>
+
+<p>This is a test of showModalDialog: <a href="#" id="dialog" onclick="showModalDialog('javascriptPage.html')">test dialog</a></p>
+
+<p>This is a test of an alert in an iframe:
+  <iframe src="iframeWithAlert.html" name="iframeWithAlert"></iframe>
+</p>
+
+<p>This is a test of an alert in a nested iframe:
+  <iframe src="iframeWithIframe.html" name="iframeWithIframe"></iframe>
+</p>
+
+<p>This is a test of an alert open from onload event handler: <a id="open-page-with-onload-alert" href="pageWithOnLoad.html">open new page</a></p>
+
+<p>This is a test of an alert open from onload event handler: <a id="open-window-with-onload-alert" href="pageWithOnLoad.html" target="onload">open new window</a></p>
+
+<p>This is a test of an alert open from onunload event handler: <a id="open-page-with-onunload-alert" href="pageWithOnUnload.html">open new page</a></p>
+
+<p>This is a test of an alert open from onclose event handler: <a id="open-window-with-onclose-alert" href="pageWithOnUnload.html" target="onclose">open new window</a></p>
+
+<p>This is a test of an alert open from onclose event handler: <a id="open-new-window" href="blank.html" target="newwindow">open new window</a></p>
+
+<div id="text"></div>
+<div id="text1"></div>
+<div id="text2"></div>
+
+<p><select id="select" onchange="alert('changed');">
+  <option id="novalue" value="">Nothing selected</option>
+  <option id="value1" value="1">One</option>
+  <option id="value2" value="2">Two</option>
+  <option id="value3" value="3">Three</option>
+</select></p>
+<p><input id="input" onchange="alert('change fired');" value="onchange"/></p>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/blank.html

@@ -0,0 +1 @@
+<html><head><title>blank</title></head><body></body></html>

node_modules/selenium-webdriver/lib/test/data/bodyTypingTest.html

@@ -0,0 +1,41 @@
+<?xml version="1.0"?>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+    <title>Testing Typing into body</title>
+    <script type="text/javascript">
+        function appendMessage(message) {
+            document.getElementById('result').innerHTML += message + " ";
+        }
+
+        function appendMessageFromBody(message) {
+            document.getElementById('body_result').innerHTML += message + " ";
+        }
+    </script>
+</head>
+
+<body onkeypress="appendMessageFromBody('keypress')">
+  <h1>Type Stuff</h1>
+
+  <div id="result">
+    &nbsp;
+  </div>
+
+  <div id="body_result">
+    &nbsp;
+  </div>
+
+
+  <!-- Textbox - to confuse some browsers. -->
+
+  <form action="resultPage.html" id="on-form">
+    <input id="intext"
+           onfocus="appendMessage('focus')"
+           onkeydown="appendMessage('keydown')"
+           onkeypress="appendMessage('keypress')"
+           onkeyup="appendMessage('keyup')"
+           onblur="appendMessage('blur')"
+           onchange="appendMessage('change')"
+           />
+  </form>
+</body>
+

node_modules/selenium-webdriver/lib/test/data/booleanAttributes.html

@@ -0,0 +1,19 @@
+<html>
+<head>
+    <title>Elements with boolean attributes</title>
+</head>
+<body>
+<form method="get" action="resultPage.html" name="required">
+    <input type="text" id="working"/>
+    <input type="email" id="emailRequired" required/>
+    <input type="text" id="inputRequired" value="Example text" required=""/>
+    <textarea id="textAreaRequired" rows="5" cols="5" required="false">Example text</textarea>
+    <textarea id="emptyTextAreaRequired" rows="5" cols="5" required="required"></textarea>
+</form>
+
+<!-- Empty div to test GetAttribute -->
+<div id="wallace" class="gromit"></div>
+<!-- Div to test boolean attributes -->
+<div id="unwrappable" nowrap>Unwrappable text</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/child/childPage.html

@@ -0,0 +1,8 @@
+<html>
+<head>
+    <title>Depth one child page</title>
+</head>
+<body>
+  <p>I'm a page in a child directory</p>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/child/grandchild/grandchildPage.html

@@ -0,0 +1,8 @@
+<html>
+<head>
+    <title>Depth two child page</title>
+</head>
+<body>
+  <p>I'm a page in a grandchild directory! How cute!</p>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/clickEventPage.html

@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+  <title>Testing click events</title>
+  <script type="text/javascript">
+  function displayEvent(event) {
+    var keys = ['x', 'y', 'clientX', 'clientY', 'pageX', 'pageY', 'screenX', 'screenY', 'shiftKey', 'ctrlKey'];
+    var message = "<ul>";
+    for (var i = 0; i < keys.length; i++) {
+      message += "<li>" + keys[i] + ": <span id='" + keys[i] + "'>" + event[keys[i]] + "</span></li>";
+    }
+    message += "</ul>";
+    document.getElementById('result').innerHTML = message;
+  }
+  </script>
+</head>
+<body>
+  <div id="eventish" onclick="displayEvent(event);">
+    Click me to view my coordinates
+  </div>
+
+  <div id="result" style="width:300;height:60">
+    <p>&nbsp;</p>
+  </div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_frames.html

@@ -0,0 +1,10 @@
+<html>
+<head>
+    <title>click frames</title>
+</head>
+<frameset rows="*" border="1">
+  <frame src="clicks.html" name="source" scrolling="NO" noresize>
+  <frame src="xhtmlTest.html" name="target">
+</frameset>
+</frameset>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_jacker.html

@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>click-jacking</title>
+  <script>
+    var clickJacker;
+
+    function setOpacity(opacity) {
+      var matches = window.navigator.userAgent.match(/MSIE\s*(\d*)/);
+      if (matches && matches.length > 1 && parseInt(matches[1]) <= 8) {
+        clickJacker.style.filter = 'alpha(opacity=' + (opacity * 100) + ')';
+      } else {
+        clickJacker.style.opacity = opacity;
+      }
+    }
+
+    function init() {
+      clickJacker = document.getElementById('clickJacker');
+      setOpacity(0);
+    }
+  </script>
+</head>
+<body onload="init()">
+<div>
+  <div id="clickJacker"
+       onclick="setOpacity(1);"
+       style="position:absolute;float:left;
+              width:200px;height:100px; padding:10px;
+              background-color:darkred;
+              border:1px solid darkred;">Click jacked!</div>
+  <div style="width:200px; height:100px;
+              border:1px solid black; padding:10px">Click Me</div>
+  <script>
+    clickJacker = document.getElementById('clickJacker');
+  </script>
+</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_out_of_bounds.html

@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<body>
+
+<table>
+  <tr>
+
+    <td>
+      <div style="width:752px;"></div>
+    </td>
+
+    <td>
+      <div style="width:350px; text-align: center;">
+        <form onsubmit="return false;" method="get">
+          <input id="button" value="Click me" type="submit">
+        </form>
+      </div>
+    </td>
+  </tr>
+</table>
+
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_out_of_bounds_overflow.html

@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<html><head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<body>
+<div style="height: 100px; overflow: auto;">
+  <table>
+    <tbody>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td>data</td></tr>
+      <tr><td><a href="#clicked" id="link">click me</a></td></tr>
+    </tbody>
+</table>
+</div>
+</body></html>

node_modules/selenium-webdriver/lib/test/data/click_rtl.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>RTL test</title>
+<style type="text/css">
+        .test { font-size: 150%; }
+        table td { border: 1px solid #CCC; }
+        img { margin: 10px; }
+</style>
+</head>
+<body>
+<div dir="rtl">
+
+<div class="test">مفتاح<a href="clicks.html" id="ar_link"> معايير</a> الويب</div>
+
+<div class="test">פעילות<a id="hb_link" href="clicks.html"> הבינאום </a></div>
+
+</div>
+
+</body></html>

node_modules/selenium-webdriver/lib/test/data/click_source.html

@@ -0,0 +1,18 @@
+<html>
+<head>
+    <title>Click Source</title>
+</head>
+<body>
+  <a href="simpleTest.html" target="target" id="otherframe">I go to a target</a>
+</body>
+</html>
+        
+<html>
+<head>
+    <title>Click Source</title>
+</head>
+<body>
+  <a href="simpleTest.html" target="target" id="otherframe">I go to a target</a>
+</body>
+</html>
+        

node_modules/selenium-webdriver/lib/test/data/click_tests/click_iframe.html

@@ -0,0 +1,6 @@
+<html>
+<head>
+    <title>click iframe</title>
+</head>
+<body><a id="link" href="submitted_page.html" target="_top">Click me</a></body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/click_in_iframe.html

@@ -0,0 +1,8 @@
+<html>
+<head>
+    <title>click in iframe</title>
+</head>
+<body>
+<iframe id="ifr" src="click_iframe.html" style="margin: 200px; width: 100px; height: 50px;" />
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/disappearing_element.html

@@ -0,0 +1,62 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>An element that disappears on click</title>
+  <style>
+#under {
+  position: absolute;
+  top: 20;
+  left: 20;
+  width: 100px;
+  height: 100px;
+  background-color: white;
+}
+
+#over {
+  position: absolute;
+  top: 20;
+  left: 20;
+  width: 100px;
+  height: 100px;
+  background-color: red;
+  opacity: 0.5;
+}
+
+#log {
+  position: absolute;
+  top: 120px;
+}
+  </style>
+</head>
+<body id="body">
+  <div id="under"><p id="contents">Hello</p></div>
+  <div id="over"></div>
+  <div id="log">
+    <p>Log:<p>
+  </div>
+<script>
+var byId = document.getElementById.bind(document);
+
+var log = byId("log");
+
+function handler(ev) {
+  log.innerHTML += "<p></p>";
+  log.lastElementChild.textContent = ev.type + " in " + ev.target.id + " (handled by " + ev.currentTarget.id + ")\n";
+}
+
+var under = byId("under");
+var over = byId("over");
+var body = document.body;
+
+var types = ["click", "mousedown", "mouseup"];
+for (var i = 0, type; (type = types[i]); ++i) {
+  under.addEventListener(type, handler);
+  over.addEventListener(type, handler);
+  body.addEventListener(type, handler);
+}
+over.addEventListener("mousedown", function () {
+  over.style.display = "none";
+})
+</script>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/google_map.html

@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Google Image Map</title>
+</head>
+<body>
+<h1>Google Image Map</h1>
+<img id="google_logo" src="google_map.png" usemap="#google_map" border="0" width="364" height="126"/>
+<map id="google_map" name="google_map">
+<area id="rectG" shape="rect" coords="0,0,90,100" href="mapped_page1.html" alt="area 1"/>
+<area id="circleO" shape="circle" coords="120,60,30" href="mapped_page2.html" alt="area 2"/>
+<area id="polyLE" shape="poly" coords="280,0,310,0,360,30,360,90,280,90" href="mapped_page3.html" alt="area 3"/>
+</map>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/html5_submit_buttons.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>HTML5 Submit Buttons</title>
+</head>
+<body>
+<form id="form1" action="submitted_page.html">
+<label for="name">Enter your name: </label><input type="text" name="name" id="name"/>
+<button id="internal_explicit_submit" type="submit">Explicit Submit</button>
+<button id="internal_implicit_submit">Implicit Submit</button>
+<button type="submit"><span id="internal_span_submit">Spanned Submit</span></button>
+</form>
+<button id="external_explicit_submit" type="submit" form="form1">Explicit Submit</button>
+<button id="external_implicit_submit" form="form1">Implicit Submit</button>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/issue5237.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Sample page for issue 5237</title>
+</head>
+<body>
+  <iframe id="search" src="issue5237_frame.html"></iframe>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/issue5237_frame.html

@@ -0,0 +1 @@
+<a id="submit" href="#" onclick="window.top.location = 'issue5237_target.html'; return false;">Continue</a>

node_modules/selenium-webdriver/lib/test/data/click_tests/issue5237_target.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Target page for issue 5237</title>
+</head>
+<body>
+<h1>Test passed</h1>
+</map>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/link_that_wraps.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>Link that continues on next line</title>
+</head>
+<body>
+  <div style="width:300px">
+    <div style="float:left;width:200px;background:red">placeholder</div><a id="link" href="submitted_page.html">Link that continues on next line</a>
+  </div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/mapped_page1.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Target Page 1</title>
+</head>
+<body>
+  <div>Target Page 1</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/mapped_page2.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Target Page 2</title>
+</head>
+<body>
+  <div>Target Page 2</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/mapped_page3.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Target Page 3</title>
+</head>
+<body>
+  <div>Target Page 3</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/overlapping_elements.html

@@ -0,0 +1,70 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>An element that disappears on click</title>
+  <style>
+#under {
+  position: absolute;
+  top: 20px;
+  left: 20px;
+  width: 100px;
+  height: 100px;
+  background-color: white;
+}
+
+#partially_under {
+  position: absolute;
+  top: 20px;
+  left: 10px;
+  width: 100px;
+  height: 100px;
+  background-color: blue;
+  opacity: 0.5;
+}
+
+#over {
+  position: absolute;
+  top: 20px;
+  left: 20px;
+  width: 100px;
+  height: 100px;
+  background-color: red;
+  opacity: 0.5;
+}
+
+#log {
+  position: absolute;
+  top: 120px;
+}
+  </style>
+</head>
+<body id="body">
+  <div id="under"><p id="contents">Hello</p></div>
+  <div id="partially_under"><p id="other_contents">Hello</p></div>
+  <div id="over"></div>
+  <div id="log">
+    <p>Log:<p>
+  </div>
+<script>
+var byId = document.getElementById.bind(document);
+
+var log = byId("log");
+
+function handler(ev) {
+  log.innerHTML += "<p></p>";
+  log.lastElementChild.textContent = ev.type + " in " + ev.target.id + " (handled by " + ev.currentTarget.id + ")\n";
+}
+
+var under = byId("under");
+var over = byId("over");
+var body = document.body;
+
+var types = ["click", "mousedown", "mouseup"];
+for (var i = 0, type; (type = types[i]); ++i) {
+  under.addEventListener(type, handler);
+  over.addEventListener(type, handler);
+  body.addEventListener(type, handler);
+}
+</script>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/partially_overlapping_elements.html

@@ -0,0 +1,124 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>An element that disappears on click</title>
+  <style>
+#under_under {
+  position: absolute;
+  top: 20px;
+  left: 20px;
+  width: 100px;
+  height: 100px;
+  background-color: white;
+}
+
+#under {
+  position: absolute;
+  top: 20px;
+  left: 20px;
+  width: 100px;
+  height: 100px;
+  background-color: blue;
+  opacity: 0.1;
+}
+
+#over1 {
+  position: absolute;
+  top: 10px;
+  left: 10px;
+  width: 50px;
+  height: 50px;
+  background-color: red;
+  opacity: 0.2;
+}
+
+#over2 {
+  position: absolute;
+  top: 80px;
+  left: 10px;
+  width: 50px;
+  height: 50px;
+  background-color: red;
+  opacity: 0.2;
+}
+
+#over3 {
+  position: absolute;
+  top: 10px;
+  left: 80px;
+  width: 50px;
+  height: 50px;
+  background-color: red;
+  opacity: 0.2;
+}
+
+#over4 {
+  position: absolute;
+  top: 80px;
+  left: 80px;
+  width: 50px;
+  height: 50px;
+  background-color: red;
+  opacity: 0.2;
+}
+
+#over5 {
+  position: absolute;
+  top: 45px;
+  left: 45px;
+  width: 50px;
+  height: 50px;
+  background-color: red;
+  opacity: 0.2;
+}
+
+#log {
+  position: absolute;
+  top: 120px;
+}
+  </style>
+</head>
+<body id="body">
+  <div id="under_under"><p id="contents">Hello</p></div>
+  <div id="under"><p id="other_contents">Hello</p></div>
+  <div id="over1"></div>
+  <div id="over2"></div>
+  <div id="over3"></div>
+  <div id="over4"></div>
+  <div id="over5"></div>
+  <div id="log">
+    <p>Log:<p>
+  </div>
+<script>
+var byId = document.getElementById.bind(document);
+
+var log = byId("log");
+
+function handler(ev) {
+  log.innerHTML += "<p></p>";
+  log.lastElementChild.textContent = ev.type + " in " + ev.target.id + " (handled by " + ev.currentTarget.id + ")\n";
+}
+
+var under_under = byId("under_under");
+var under = byId("under");
+var over1 = byId("over1");
+var over2 = byId("over2");
+var over3 = byId("over3");
+var over4 = byId("over4");
+var over5 = byId("over5");
+var body = document.body;
+
+var types = ["click", "mousedown", "mouseup"];
+for (var i = 0, type; (type = types[i]); ++i) {
+  under_under.addEventListener(type, handler);
+  under.addEventListener(type, handler);
+  over1.addEventListener(type, handler);
+  over2.addEventListener(type, handler);
+  over3.addEventListener(type, handler);
+  over4.addEventListener(type, handler);
+  over5.addEventListener(type, handler);
+  body.addEventListener(type, handler);
+}
+</script>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/span_that_wraps.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>Link that continues on next line</title>
+</head>
+<body>
+  <div style="width:300px">
+    <div style="float:left;width:200px;background:red">placeholder</div><span id="span" onclick="document.location='submitted_page.html'">Span that continues on next line</span>
+  </div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/submitted_page.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Submitted Successfully!</title>
+</head>
+<body>
+<h1>Submitted Successfully!</h1>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_tests/wrapped_overlapping_elements.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>A wrapped element with overlapped first part</title>
+</head>
+<body id="body">
+<div style="width:300px">
+  <div style="float:left;width:200px;background:green;">placeholder</div>
+  <div style="float:left; position:absolute;width:100px;margin-left:200px;background:red;opacity:0.5;">Over</div>
+  <a id="link" href="submitted_page.html">Link that continues on next line</a>
+</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_too_big.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<body>
+	<a id="click" href="clicks.html" target="_parent">
+		<div style="width: 10001px; height: 10001px; background-color: green;">
+			&nbsp; &nbsp; &nbsp;
+		</div>
+	</a>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/click_too_big_in_frame.html

@@ -0,0 +1,11 @@
+<html>
+<head>
+    <title>This page has iframes</title>
+</head>
+<body>
+<h1 id="iframe_page_heading">This is the heading</h1>
+
+<iframe src="click_too_big.html" marginheight="0" marginwidth="0" topmargin="0" leftmargin="0" allowtransparency="true"
+        frameborder="0" height="10001" scrolling="no" width="10001" id="iframe1" name="iframe1-name" />
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/clicks.html

@@ -0,0 +1,35 @@
+<html>
+<head>
+    <title>clicks</title>
+</head>
+<body>
+<h1>Testing Clicks</h1>
+
+<iframe id="source" src="click_source.html">
+
+</iframe>
+
+<iframe id="target" name="target">
+
+</iframe>
+<br>
+<a href="xhtmlTest.html" id="normal">I'm a normal link</a>
+<br/>
+<a href="#" id="anchor">I go to an anchor</a>
+<br>
+<a href="javascript:window.open('xhtmlTest.html', '_blank')" id="new-window">I open a window with javascript</a>
+<br/>
+<a href="xhtmlTest.html" id="twoClientRects"><span></span><span>Click me</span></a>
+<br/>
+<a href="xhtmlTest.html" id="link-with-enclosed-image"><img id="enclosed-image" src="./icon.gif"/></a>
+<br/>
+<a href="xhtmlTest.html" id="link-with-enclosed-span"><span id="enclosed-span" style="color: rgb(0, 255, 0)">I'm a green link</span></a>
+<p style="background: none repeat scroll 0% 0% rgb(0, 255, 0); width: 5em;"><a id="overflowLink" href="xhtmlTest.html">looooooooooong short looooooooooong</a>
+                </p>
+<div id="bubblesTo" onclick="window.bubbledClick = true;">
+  <a id="bubblesFrom">I bubble</a>
+</div>
+<a href="xhtmlTest.html">333333</a>
+<p><a href="xhtmlTest.html" id="embeddedBlock"><span style="display: block;">I have a span</span><div>And a div</div><span>And another span</span></a></p>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/closeable_window.html

@@ -0,0 +1,8 @@
+<html>
+<head>
+<title>closeable window</title>
+</head>
+<body>
+This window can be closed by clicking on <a id="close" onclick="window.setTimeout(function() { window.close();}, 0);" href="#">this</a>.
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/cn-test.html

@@ -0,0 +1,156 @@
+
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
+<style type="text/css">
+
+
+
+  /* default css */
+  
+  table {
+    font-size: 1em;
+    line-height: inherit;
+  }
+
+  
+  div, address, ol, ul, li, option, select { 
+    margin-top: 0px;
+    margin-bottom: 0px;
+  }
+
+  p {
+    margin: 0px;
+  }
+
+  body {
+    
+    
+      margin: 0px;
+    
+    
+    
+      padding-left: 50px;
+      padding-right: 50px;
+      padding-top: 40px;
+      
+    
+  }
+
+  h6 { font-size: 10pt }
+  h5 { font-size: 11pt }
+  h4 { font-size: 12pt }
+  h3 { font-size: 13pt }
+  h2 { font-size: 14pt }
+  h1 { font-size: 16pt }
+
+  blockquote {padding: 10px; border: 1px #DDD dashed }
+
+  a img {border: 0}
+
+  div.google_header, div.google_footer {
+    position: relative;
+    margin-top: 1em;
+    margin-bottom: 1em;
+  }
+  /* end default css */
+
+  
+    /* default print css */
+    
+    @media print {
+      body { 
+        padding: 0; 
+        margin: 0; 
+      }
+
+      div.google_header, div.google_footer {
+        display: block;
+        min-height: 0;
+        border: none;
+      }
+
+      div.google_header {
+        flow: static(header);
+      }
+
+      /* used to insert page numbers */
+      div.google_header::before, div.google_footer::before {
+        position: absolute;
+        top: 0;
+      }
+
+      div.google_footer {
+        flow: static(footer);
+      }
+
+      /* always consider this element at the start of the doc */
+      div#google_footer {
+        flow: static(footer, start);
+      }
+
+      span.google_pagenumber {
+        content: counter(page);
+      }
+
+      span.google_pagecount {
+        content: counter(pages);
+      }
+    }
+
+    @page {
+      @top {
+        content: flow(header);
+      }
+      @bottom {
+        content: flow(footer);
+      }
+    }
+    /* end default print css */
+   
+  
+  /* custom css */
+  
+  
+  /* end custom css */
+
+  /* ui edited css */
+  
+  body {
+    font-family: Verdana;
+    
+    font-size: 10.0pt;
+    line-height: normal;
+    background-color: #ffffff;
+  }
+  /* end ui edited css */
+
+
+
+
+</style>
+
+
+</head>
+
+<body revision="cczv65wb_54f62cc9f2:3">
+
+<div id="result">
+</div>
+    
+    
+<h1>展望2008世界大势：风起云涌 激荡人心</h1><br>
+<br>
+  8月8日晚，北京2008年奥运会倒计时一周年庆祝活动在天安门广场举行。图为庆祝活动中的文艺演出。 新华社记者刘卫兵摄
+
+    ２００８年世界风起云涌，激荡人心。但要作出一个预测，首先要对今天所处的世界有一个基本共识。<br>
+<br>
+<a href=simpleTest.html id=b7v9 title=中国之声>中国之声</a><br>
+<br>
+<br>
+
+<form action="simpleTest.html">
+  <input name="i18n" onchange="document.getElementById('result').innerHTML = '<p>' + this.value + '</p>';" />
+</form>
+
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/colorPage.html

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Color Page</title>
+</head>
+<body>
+<div id="namedColor" style="background-color: green;">namedColor</div>
+<div id="rgb" style="background-color: rgb(0,128,0);">rgb</div>
+<div id="rgbpct" style="background-color: rgb(0%,50%,0%);">rgbpct</div>
+<div id="hex" style="background-color: #008000;">hex</div>
+<div id="hexShort" style="background-color: #eee;">hex</div>
+<div id="hsl" style="background-color: hsl(120,100%,25%);">hsl</div>
+<div id="rgba" style="background-color: rgba(0,128,0, 0.5);">rgba</div>
+<div id="rgbapct" style="background-color: rgba(0%,50%,0%, 0.5);">rgba</div>
+<div id="hsla" style="background-color: hsla(120,100%,25%,0.5);">hsla</div>
+</body>
+</html>
+
+
+

node_modules/selenium-webdriver/lib/test/data/cookies.html

@@ -0,0 +1,30 @@
+<html>
+<head>
+    <title>Testing cookies</title>
+
+    <script type="text/javascript">
+        function setCookie(domain, name) {
+            document.cookie = name + "=ok;path=/;domain=" + domain;            
+        }
+
+        function showCookie() {
+            document.getElementById("result").innerHTML = "<p>" + document.cookie + "</p>";
+        }
+    </script>
+</head>
+<body onload="showCookie();">
+<h2>Cookie Mashing</h2>
+    .com <a href="#" onclick="setCookie('.com', 'the.com_one'); showCookie(); return false;">Click</a></br />
+    . <a href="#" onclick="setCookie('.', 'the.one'); showCookie(); return false;">Click</a></br />
+    google.com <a href="#" onclick="setCookie('google.com', 'google'); showCookie(); return false;">Click</a></br />
+    .google.com <a href="#" onclick="setCookie('.google.com', '.google'); showCookie(); return false;">Click</a></br />
+    127.0.0.1 <a href="#" onclick="setCookie('127.0.0.1', 'localhost'); showCookie(); return false;">Click</a></br />
+    localhost:3001 <a href="#" onclick="setCookie('mency.ad.corp.google.com:62210', 'with_port'); showCookie(); return false;">Click</a></br />
+    .google:3001 <a href="#" onclick="setCookie('.google.com:62210', 'with_domain_and_port'); showCookie(); return false;">Click</a></br />
+    172.16.12.225 <a href="#" onclick="setCookie('172.16.12.225', 'raw_IP'); showCookie(); return false;">Click</a></br />  
+    172.16.12.225:port <a href="#" onclick="setCookie('172.16.12.225:62210', 'raw_IP_and_port'); showCookie(); return false;">Click</a></br />
+    <a href="#" onclick="document.cookie = 'foo=bar;path=/common/galaxy';">Set on a different path</a>
+
+<div id="result"></div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/element_in_frame.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Welcome Page</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <iframe name="ifr" src="simple_page.html" width="400" height="300" style="border: 5px solid;"></iframe>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/element_in_nested_frame.html

@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Welcome Page</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <iframe name="ifr" src="element_in_frame.html" width="500" height="400" style="border: 5px solid;"></iframe>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/page_with_element_out_of_view.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Page With Element Out Of View</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <div style="height: 5000px;">Placeholder</div>
+  <div id="box" style="width: 100px; height: 100px; background-color: red;">Red box</div>
+  <div>Tex after box</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/page_with_empty_element.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Page With Empty Element</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <div id="box"></div>
+  <div>Tex after box</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/page_with_fixed_element.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Page With Fixed Element</title>
+</head>
+<body>
+  <div id="fixed" style="position:fixed; top:0px; left:100px; background-color:red">fixed red box</div>
+  <div id="placeholder" style="height: 5000px; background-color:green">Placeholder</div>
+  <div id="bottom">Element at the bottom</div>
+  <div>Tex after box</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/page_with_hidden_element.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Page With Hidden Element</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <div id="box" style="width: 100px; height: 100px; background-color: red; visibility: hidden;">Hidden box</div>
+  <div>Tex after box</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/page_with_invisible_element.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Page With Invisible Element</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <div id="box" style="width: 100px; height: 100px; background-color: red; display: none;">Invisible box</div>
+  <div>Tex after box</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/page_with_transparent_element.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Page With Transparent Element</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <div id="box" style="width: 100px; height: 100px; background-color: red; opacity: 0;">Hidden box</div>
+  <div>Tex after box</div>
+</body>
+</html>

node_modules/selenium-webdriver/lib/test/data/coordinates_tests/simple_page.html

@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Simple Page</title>
+</head>
+<body style="margin: 10px; padding: 0px;">
+  <div id="box" style="width: 100px; height: 100px; background-color: red;">Red box</div>
+  <div>Tex after box</div>
+</body>
+</html>