Define the interface for MediaStreamVideoSource.

content/content_renderer.gypi

 # 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.
 
 {
   'dependencies': [
     '../gin/gin.gyp:gin',
     '../jingle/jingle.gyp:jingle_glue',
     '../media/media.gyp:media',
     '../net/net.gyp:net',
@@ skipping 572 matching lines @@
         '../third_party/webrtc/modules/modules.gyp:audio_device',
         '../third_party/webrtc/modules/modules.gyp:audio_processing',
         '<(DEPTH)/crypto/crypto.gyp:crypto',
       ],
       'sources': [
         'public/renderer/media_stream_audio_sink.h',
         'public/renderer/media_stream_audio_sink.cc',
         'public/renderer/media_stream_sink.h',
         'public/renderer/media_stream_video_sink.cc',
         'public/renderer/media_stream_video_sink.h',
+        'public/renderer/media_stream_video_source.cc',
+        'public/renderer/media_stream_video_source.h',
         'public/renderer/webrtc_log_message_delegate.h',
         'renderer/media/media_stream_audio_processor.cc',
         'renderer/media/media_stream_audio_processor.h',
         'renderer/media/media_stream_audio_processor_options.cc',
         'renderer/media/media_stream_audio_processor_options.h',
         'renderer/media/media_stream_audio_sink_owner.cc',
         'renderer/media/media_stream_audio_sink_owner.h',
         'renderer/media/media_stream_audio_track_sink.h',
         'renderer/media/media_stream_video_track.cc',
         'renderer/media/media_stream_video_track.h',
@@ skipping 147 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }