Wip - cl for implemening VideoTrackSource::ApplyConstraints(constraints, VideoTrack) and adopt safe…

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 3d79aeafb776d0fe9c84c08615d4f688df848e34..44eb76b9e34739ffc6f43bb8e034655dfdc543b2 100644
--- a/content/renderer/media/media_stream_video_source.h
+++ b/content/renderer/media/media_stream_video_source.h
@@ -64,11 +64,16 @@ class CONTENT_EXPORT MediaStreamVideoSource
   static MediaStreamVideoSource* GetVideoSource(
       const blink::WebMediaStreamSource& source);
 
+  bool ConnectToTrack(const blink::WebMediaStreamTrack& blink_track) override;
+
+  void ApplyConstraints(const blink::WebMediaStreamTrack& blink_track,
+                        const blink::WebMediaConstraints& constraints,
+                        const ConstraintsCallback& callback);
   // Puts |track| in the registered tracks list.
-  void AddTrack(MediaStreamVideoTrack* track,
+  /*void AddTrack(MediaStreamVideoTrack* track,
                 const VideoCaptureDeliverFrameCB& frame_callback,
                 const blink::WebMediaConstraints& constraints,
-                const ConstraintsCallback& callback);
+                const ConstraintsCallback& callback);*/
   void RemoveTrack(MediaStreamVideoTrack* track);
 
   void UpdateCapturingLinkSecure(MediaStreamVideoTrack* track, bool is_secure);