Fixing scenario where track is rejected and later un-rejected.

talk/app/webrtc/mediastreamsignaling.h

Index: talk/app/webrtc/mediastreamsignaling.h
diff --git a/talk/app/webrtc/mediastreamsignaling.h b/talk/app/webrtc/mediastreamsignaling.h
index 87eede6305d26ad1956b74a7f3808e430b1e800b..9109d09f36f158179cf11fb86b1737720d4eb772 100644
--- a/talk/app/webrtc/mediastreamsignaling.h
+++ b/talk/app/webrtc/mediastreamsignaling.h
@@ -323,9 +323,10 @@ class MediaStreamSignaling : public sigslot::has_slots<> {
                             const std::string& track_id,
                             cricket::MediaType media_type);
 
-  // Set the MediaStreamTrackInterface::TrackState to |kEnded| on all remote
+  // Set the MediaStreamTrackInterface::TrackState to |state| on all remote
   // tracks of type |media_type|.
-  void RejectRemoteTracks(cricket::MediaType media_type);
+  void SetRemoteTracksState(cricket::MediaType media_type,
+                            MediaStreamTrackInterface::TrackState state);
 
   // Finds remote MediaStreams without any tracks and removes them from
   // |remote_streams_| and notifies the observer that the MediaStream no longer