[telemetry] Add a webdriver backend with support for IE.

tools/telemetry/telemetry/core/browser_finder.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 """Finds browsers that can be controlled by telemetry."""
 
 import logging
 
 from telemetry.core.chrome import android_browser_finder
 from telemetry.core.chrome import cros_browser_finder
 from telemetry.core.chrome import desktop_browser_finder
+from telemetry.core.webdriver import webdriver_desktop_browser_finder
 
 ALL_BROWSER_TYPES = (
+    webdriver_desktop_browser_finder.ALL_BROWSER_TYPES + ',' +
     desktop_browser_finder.ALL_BROWSER_TYPES + ',' +
     android_browser_finder.ALL_BROWSER_TYPES + ',' +
     cros_browser_finder.ALL_BROWSER_TYPES)
 
 class BrowserTypeRequiredException(Exception):
   pass
 
 class BrowserFinderException(Exception):
   pass
 
@@ skipping 17 matching lines @@
   if (options.browser_type != 'cros-chrome' and
       options.browser_type != 'cros-chrome-guest' and
       options.cros_remote != None):
     raise BrowserFinderException(
         'cros_remote requires browser_type=cros-chrome or cros-chrome-guest.')
 
   if options.browser_type == None:
     raise BrowserTypeRequiredException('browser_type must be specified')
 
   browsers = []
+  browsers.extend(
+      webdriver_desktop_browser_finder.FindAllAvailableBrowsers(options))

[tonyg, 2013/07/26 18:21:07]

Note: You'll have to rebase after:
https://chromiumcodereview.appspot.com/19972003/diff/23001/tools/telemetry/te...

[chrisgao (Use stgao instead), 2013/07/30 02:06:49]

Done.

   browsers.extend(desktop_browser_finder.FindAllAvailableBrowsers(options))
   browsers.extend(android_browser_finder.FindAllAvailableBrowsers(options))
   browsers.extend(cros_browser_finder.FindAllAvailableBrowsers(options))
 
   if options.browser_type == 'any':
     types = ALL_BROWSER_TYPES.split(',')
     def compare_browsers_on_type_priority(x, y):
       x_idx = types.index(x.browser_type)
       y_idx = types.index(y.browser_type)
       return x_idx - y_idx
@@ skipping 14 matching lines @@
     return matching_browsers[0]
   else:
     return None
 
 def GetAllAvailableBrowserTypes(options):
   """Returns an array of browser types supported on this system.
   A BrowserFinderException will be raised if the BrowserOptions argument is
   improperly set or if an error occurs when finding a browser.
   """
   browsers = []
+  browsers.extend(
+      webdriver_desktop_browser_finder.FindAllAvailableBrowsers(options))
   browsers.extend(desktop_browser_finder.FindAllAvailableBrowsers(options))
   browsers.extend(android_browser_finder.FindAllAvailableBrowsers(options))
   browsers.extend(cros_browser_finder.FindAllAvailableBrowsers(options))
 
   type_list = set([browser.browser_type for browser in browsers])
   type_list = list(type_list)
   type_list.sort()
   return type_list