Delete FrameInput method and FrameInputWrapper class.

talk/app/webrtc/mediastreaminterface.h

Index: talk/app/webrtc/mediastreaminterface.h
diff --git a/talk/app/webrtc/mediastreaminterface.h b/talk/app/webrtc/mediastreaminterface.h
index 8d6feb02ef268a8115985d517e13cd0a40a018a3..0bff70a7cd483930c63a16f19c04b04bef9e3f25 100644
--- a/talk/app/webrtc/mediastreaminterface.h
+++ b/talk/app/webrtc/mediastreaminterface.h
@@ -146,6 +146,11 @@ class VideoTrackInterface : public MediaStreamTrackInterface {
   virtual void RemoveRenderer(VideoRendererInterface* renderer) = 0;
 
   virtual VideoSourceInterface* GetSource() const = 0;
+  // TODO(nisse): Return type should be changed to
+  // rtc::VideoSinkInterface<cricket::VideoFrame>*, as soon as
+  // VideoProviderInterface::SetVideoPlayout is changed to accept that
+  // type.
+  virtual cricket::VideoRenderer* GetSink() = 0;
 
  protected:
   virtual ~VideoTrackInterface() {}