Delete FrameInput method and FrameInputWrapper class.

talk/app/webrtc/videosource.h

Index: talk/app/webrtc/videosource.h
diff --git a/talk/app/webrtc/videosource.h b/talk/app/webrtc/videosource.h
index eaaec41962ed7d7ecf2f296262d11b79ffd891c8..0e90d1238b6c35594e0620e138da7b9aaa97223d 100644
--- a/talk/app/webrtc/videosource.h
+++ b/talk/app/webrtc/videosource.h
@@ -74,7 +74,6 @@ class VideoSource : public Notifier<VideoSourceInterface>,
   bool remote() const override { return remote_; }
 
   virtual const cricket::VideoOptions* options() const { return &options_; }
-  virtual cricket::VideoRenderer* FrameInput();

[perkj_webrtc, 2016/02/03 15:09:58]

check in chrome if this is mocked ? 

[nisse-webrtc, 2016/02/03 15:27:22]

It is, overridden in MockVideoSource. Is it sufficient to add a default
implementation in webrtc, returning nullptr? I'm doing that now.

Maybe the change to VideoTrackInterface is more of a problem? It's inherited by
MockWebRtcVideoTrack. Could add a dummy implementation in the interface, but I
guess chrome test could still fail without a real implementation of
MockWebRtcVideoTrack::GetSink? Needs some investigation. 

 
   virtual cricket::VideoCapturer* GetVideoCapturer() {
     return video_capturer_.get();