Change VideoRtpReceiver to create remote VideoTrack and VideoTrackSource.

webrtc/api/peerconnection.h

 /*
  *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_API_PEERCONNECTION_H_
 #define WEBRTC_API_PEERCONNECTION_H_
 
 #include <string>
 
 #include "webrtc/api/dtlsidentitystore.h"
 #include "webrtc/api/peerconnectionfactory.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/api/rtpreceiverinterface.h"
 #include "webrtc/api/rtpsenderinterface.h"
 #include "webrtc/api/statscollector.h"
 #include "webrtc/api/streamcollection.h"
 #include "webrtc/api/webrtcsession.h"
 #include "webrtc/base/scoped_ptr.h"
 
 namespace webrtc {
 
 class MediaStreamObserver;
 class RemoteMediaStreamFactory;
+class VideoRtpReceiver;
 
 // Populates |session_options| from |rtc_options|, and returns true if options
 // are valid.
 // |session_options|->transport_options map entries must exist in order for
 // them to be populated from |rtc_options|.
 bool ExtractMediaSessionOptions(
     const PeerConnectionInterface::RTCOfferAnswerOptions& rtc_options,
     cricket::MediaSessionOptions* session_options);
 
 // Populates |session_options| from |constraints|, and returns true if all
@@ skipping 120 matching lines @@
     uint32_t ssrc;
   };
   typedef std::vector<TrackInfo> TrackInfos;
 
   // Implements MessageHandler.
   void OnMessage(rtc::Message* msg) override;
 
   void CreateAudioReceiver(MediaStreamInterface* stream,
                            AudioTrackInterface* audio_track,
                            uint32_t ssrc);
+
   void CreateVideoReceiver(MediaStreamInterface* stream,
-                           VideoTrackInterface* video_track,
+                           const std::string& track_id,
                            uint32_t ssrc);
   void DestroyAudioReceiver(MediaStreamInterface* stream,
                             AudioTrackInterface* audio_track);
   void DestroyVideoReceiver(MediaStreamInterface* stream,
                             VideoTrackInterface* video_track);
   void DestroyAudioSender(MediaStreamInterface* stream,
                           AudioTrackInterface* audio_track,
                           uint32_t ssrc);
   void DestroyVideoSender(MediaStreamInterface* stream,
                           VideoTrackInterface* video_track);
@@ skipping 214 matching lines @@
   // because its destruction fires signals (such as VoiceChannelDestroyed)
   // which will trigger some final actions in PeerConnection...
   rtc::scoped_ptr<WebRtcSession> session_;
   // ... But stats_ depends on session_ so it should be destroyed even earlier.
   rtc::scoped_ptr<StatsCollector> stats_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_PEERCONNECTION_H_