Add a 'remote' property to MediaSourceInterface. Also adding an implementation to the relevant sour…

talk/app/webrtc/mediastreaminterface.h

 /*
  * libjingle
  * Copyright 2012 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 67 matching lines @@
  public:
   enum SourceState {
     kInitializing,
     kLive,
     kEnded,
     kMuted
   };
 
   virtual SourceState state() const = 0;
 
+  virtual bool remote() const = 0;
+
  protected:
   virtual ~MediaSourceInterface() {}
 };
 
 // Information about a track.
 class MediaStreamTrackInterface : public rtc::RefCountInterface,
                                   public NotifierInterface {
  public:
   enum TrackState {
     kInitializing,  // Track is beeing negotiated.
@@ skipping 171 matching lines @@
   virtual bool RemoveTrack(AudioTrackInterface* track) = 0;
   virtual bool RemoveTrack(VideoTrackInterface* track) = 0;
 
  protected:
   virtual ~MediaStreamInterface() {}
 };
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_MEDIASTREAMINTERFACE_H_