Updating WebRTC tests to match the latest WebKit

chrome/test/functional/webrtc_call.py

 #!/usr/bin/env python
 # 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.
 
 import os
 import subprocess
 import time
 
 # This little construct ensures we can run even if we have a bad version of
@@ skipping 160 matching lines @@
     This test will check that if a local track is muted, the remote end don't
     get video. Also test that if a remote track is disabled, the video is not
     updated in the video tag."""
 
     # TODO(perkj): Also verify that the local preview is muted when the
     # feature is implemented.
     # TODO(perkj): Verify that audio is muted.
 
     self._LoadPageInTwoTabs('webrtc_jsep01_test.html')
     self._SetupCall(request_video=True, request_audio=True)
-    select_video_function = 'function(local) { return local.videoTracks[0]; }'
+    select_video_function = \
+        'function(local) { return local.getVideoTracks()[0]; }'
     self.assertEquals('ok-video-toggled-to-false', self.ExecuteJavascript(
         'toggleLocalStream(' + select_video_function + ', "video")',
         tab_index=0))
     self._WaitForVideo(tab_index=1, expect_playing=False)
 
     self.assertEquals('ok-video-toggled-to-true', self.ExecuteJavascript(
         'toggleLocalStream(' + select_video_function + ', "video")',
         tab_index=0))
     self._WaitForVideo(tab_index=1, expect_playing=True)
 
@@ skipping 58 matching lines @@
     """Returns the Chrome renderer process as a psutil process wrapper."""
     tab_info = self.GetBrowserInfo()['windows'][0]['tabs'][tab_index]
     renderer_id = tab_info['renderer_pid']
     if not renderer_id:
       self.fail('Can not find the tab renderer process.')
     return psutil.Process(renderer_id)
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()