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

webrtc/pc/trackmediainfomap_unittest.cc

 /*
  *  Copyright 2016 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 67 matching lines @@
 
 class TrackMediaInfoMapTest : public testing::Test {
  public:
   TrackMediaInfoMapTest()
       : voice_media_info_(new cricket::VoiceMediaInfo()),
         video_media_info_(new cricket::VideoMediaInfo()),
         local_audio_track_(AudioTrack::Create("LocalAudioTrack", nullptr)),
         remote_audio_track_(AudioTrack::Create("RemoteAudioTrack", nullptr)),
         local_video_track_(
             VideoTrack::Create("LocalVideoTrack",
-                               FakeVideoTrackSource::Create(false),
-                               rtc::Thread::Current())),
+                               FakeVideoTrackSource::Create(false))),
         remote_video_track_(
             VideoTrack::Create("RemoteVideoTrack",
-                               FakeVideoTrackSource::Create(false),
-                               rtc::Thread::Current())) {}
+                               FakeVideoTrackSource::Create(false))) {}
 
   ~TrackMediaInfoMapTest() {
     // If we have a map the ownership has been passed to the map, only delete if
     // |CreateMap| has not been called.
     if (!map_) {
       delete voice_media_info_;
       delete video_media_info_;
     }
   }
 
@@ skipping 299 matching lines @@
   AddRtpReceiverWithSsrcs({1, 2}, remote_audio_track_);
   AddRtpReceiverWithSsrcs({3, 4}, remote_audio_track_);
   AddRtpReceiverWithSsrcs({5, 6}, remote_video_track_);
   AddRtpReceiverWithSsrcs({7, 8}, remote_video_track_);
   EXPECT_DEATH(CreateMap(), "");
 }
 
 #endif  // RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
 
 }  // namespace webrtc