MediaStream: Adding VideoTrackRecorder class and unittests

content/content_tests.gypi

 # Copyright (c) 2013 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.
 
 {
   'variables': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 722 matching lines @@
       'renderer/media/mock_media_stream_video_sink.cc',
       'renderer/media/mock_media_stream_video_sink.h',
       'renderer/media/mock_media_stream_video_source.cc',
       'renderer/media/mock_media_stream_video_source.h',
       'renderer/media/rtc_data_channel_handler_unittest.cc',
       'renderer/media/rtc_peer_connection_handler_unittest.cc',
       'renderer/media/rtc_video_decoder_unittest.cc',
       'renderer/media/speech_recognition_audio_sink_unittest.cc',
       'renderer/media/user_media_client_impl_unittest.cc',
       'renderer/media/video_source_handler_unittest.cc',
+      'renderer/media/video_track_recorder_unittest.cc',
       'renderer/media/webrtc/media_stream_remote_video_source_unittest.cc',
       'renderer/media/webrtc/media_stream_track_metrics_unittest.cc',
       'renderer/media/webrtc/peer_connection_dependency_factory_unittest.cc',
       'renderer/media/webrtc/stun_field_trial_unittest.cc',
       'renderer/media/webrtc/webrtc_local_audio_track_adapter_unittest.cc',
       'renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc',
       'renderer/media/webrtc/webrtc_video_capturer_adapter_unittest.cc',
       'renderer/media/webrtc_audio_capturer_unittest.cc',
       'renderer/media/webrtc_audio_renderer_unittest.cc',
       'renderer/media/webrtc_identity_service_unittest.cc',
@@ skipping 1353 matching lines @@
             ],
           },
           'includes': [
             '../build/host_jar.gypi',
           ],
         },
       ],
     }],
   ],
 }