Implements MediaStreamVideoSource.

content/renderer/media/media_stream_video_source.h

Index: content/renderer/media/media_stream_video_source.h
diff --git a/content/renderer/media/media_stream_video_source.h b/content/renderer/media/media_stream_video_source.h
index 2130916b1b9c296813fbb94b9234241a8e916385..b9db9a7b78f0025aea1f8f2f536d207335a437b7 100644
--- a/content/renderer/media/media_stream_video_source.h
+++ b/content/renderer/media/media_stream_video_source.h
@@ -9,6 +9,7 @@
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "content/renderer/media/media_stream_source_extra_data.h"
+#include "content/renderer/media/webrtc/webrtc_video_source_adapter.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
@@ -26,6 +27,8 @@ namespace content {
 class CONTENT_EXPORT MediaStreamVideoSource
     : public MediaStreamSourceExtraData {
  public:
+  MediaStreamVideoSource();
+
   // Puts |track| in the registered tracks list. Will later
   // deliver frames to it according to |constraints|.
   void AddTrack(const blink::WebMediaStreamTrack& track,
@@ -42,7 +45,16 @@ class CONTENT_EXPORT MediaStreamVideoSource
   // Delivers |frame| to registered tracks according to their constraints.
   virtual void DeliverVideoFrame(const scoped_refptr<media::VideoFrame>& frame);
 
+  // For testing only.
+  void SetMsFactory(MediaStreamDependencyFactory* factory);

[Jói, 2014/01/09 11:18:13]

If it's only for testing, name it SetMsFactoryForTesting, that way the Chromium
presubmit will help ensure it is only used by testing code.

+
   virtual ~MediaStreamVideoSource();
+
+ private:

[Jói, 2014/01/09 11:18:13]

missing DISALLOW_COPY_AND_ASSIGN

+  typedef std::vector<WebRtcVideoSourceAdapter*> WebRtcVideoSourceAdapters;
+
+  WebRtcVideoSourceAdapters adapters_;
+  MediaStreamDependencyFactory* factory_;
 };
 
 }  // namespace content