VideoTrackAdapter: Add passing frames monitor, notify MSVCS -> MSVTrack(s)

content/renderer/media/mock_media_stream_video_source.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
 #define CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
 
 #include "content/renderer/media/media_stream_video_source.h"
 
+#include "testing/gmock/include/gmock/gmock.h"
+
 namespace content {
 
 class MockMediaStreamVideoSource : public MediaStreamVideoSource {
  public:
   explicit MockMediaStreamVideoSource(bool manual_get_supported_formats);
   virtual ~MockMediaStreamVideoSource();
 
+  MOCK_METHOD1(SetMutedState, void(bool muted_state));
+
   // Simulate that the underlying source start successfully.
   void StartMockedSource();
 
   // Simulate that the underlying source fail to start.
   void FailToStartMockedSource();
 
   // Returns true if StartSource  has been called and StartMockedSource
   // or FailToStartMockedSource has not been called.
   bool SourceHasAttemptedToStart() { return attempted_to_start_; }
 
@@ skipping 37 matching lines @@
   bool attempted_to_start_;
   VideoCaptureDeviceFormatsCB formats_callback_;
   VideoCaptureDeliverFrameCB frame_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(MockMediaStreamVideoSource);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_