Reland of Change VideoTrack implementation to invoke VideoTrackSourceInterface::AddOrUpdateSink on …

webrtc/pc/statscollector_unittest.cc

 /*
  *  Copyright 2014 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.
  */
 
@@ skipping 527 matching lines @@
     transport_stats.channel_stats.push_back(channel_stats);
 
     session_stats_.transport_stats[kTransportName] = transport_stats;
     session_stats_.proxy_to_transport[vc_name] = kTransportName;
   }
 
   // Adds a outgoing video track with a given SSRC into the stats.
   void AddOutgoingVideoTrackStats() {
     stream_ = webrtc::MediaStream::Create("streamlabel");
     track_ = webrtc::VideoTrack::Create(kLocalTrackId,
-                                        webrtc::FakeVideoTrackSource::Create());
+                                        webrtc::FakeVideoTrackSource::Create(),
+                                        rtc::Thread::Current());
     stream_->AddTrack(track_);
     EXPECT_CALL(session_, GetLocalTrackIdBySsrc(kSsrcOfTrack, _))
         .WillRepeatedly(DoAll(SetArgPointee<1>(kLocalTrackId), Return(true)));
   }
 
   // Adds a incoming video track with a given SSRC into the stats.
   void AddIncomingVideoTrackStats() {
     stream_ = webrtc::MediaStream::Create("streamlabel");
     track_ = webrtc::VideoTrack::Create(kRemoteTrackId,
-                                        webrtc::FakeVideoTrackSource::Create());
+                                        webrtc::FakeVideoTrackSource::Create(),
+                                        rtc::Thread::Current());
     stream_->AddTrack(track_);
     EXPECT_CALL(session_, GetRemoteTrackIdBySsrc(kSsrcOfTrack, _))
         .WillRepeatedly(DoAll(SetArgPointee<1>(kRemoteTrackId), Return(true)));
     }
 
   // Adds a outgoing audio track with a given SSRC into the stats.
   void AddOutgoingAudioTrackStats() {
     if (stream_ == NULL)
       stream_ = webrtc::MediaStream::Create("streamlabel");
 
@@ skipping 1532 matching lines @@
   stats.UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard);
   stats.GetStats(NULL, &reports);
   EXPECT_EQ(rtc::ToString(video_receiver_info.frames_decoded),
             ExtractSsrcStatsValue(reports,
                                   StatsReport::kStatsValueNameFramesDecoded));
   EXPECT_EQ(rtc::ToString(*video_receiver_info.qp_sum),
             ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameQpSum));
 }
 
 }  // namespace webrtc