Revert: Change VideoTrack implementation to invoke VideoTrackSourceInterface::AddOrUpdateSink on wt

webrtc/pc/peerconnectionfactory.cc

 /*
  *  Copyright 2004 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 324 matching lines @@
   RTC_DCHECK(signaling_thread_->IsCurrent());
   return MediaStreamProxy::Create(signaling_thread_,
                                   MediaStream::Create(label));
 }
 
 rtc::scoped_refptr<VideoTrackInterface> PeerConnectionFactory::CreateVideoTrack(
     const std::string& id,
     VideoTrackSourceInterface* source) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   rtc::scoped_refptr<VideoTrackInterface> track(
-      VideoTrack::Create(id, source, worker_thread_));
+      VideoTrack::Create(id, source));
   return VideoTrackProxy::Create(signaling_thread_, worker_thread_, track);
 }
 
 rtc::scoped_refptr<AudioTrackInterface>
 PeerConnectionFactory::CreateAudioTrack(const std::string& id,
                                         AudioSourceInterface* source) {
   RTC_DCHECK(signaling_thread_->IsCurrent());
   rtc::scoped_refptr<AudioTrackInterface> track(AudioTrack::Create(id, source));
   return AudioTrackProxy::Create(signaling_thread_, track);
 }
@@ skipping 30 matching lines @@
   RTC_DCHECK(worker_thread_ == rtc::Thread::Current());
   return std::unique_ptr<cricket::MediaEngineInterface>(
       cricket::WebRtcMediaEngineFactory::Create(
           default_adm_.get(), audio_encoder_factory_,
           audio_decoder_factory_,
           video_encoder_factory_.get(), video_decoder_factory_.get(),
           external_audio_mixer_));
 }
 
 }  // namespace webrtc