Split libjingle's signaling thread from the UI thread

content/renderer/media/media_stream_track.cc

Index: content/renderer/media/media_stream_track.cc
diff --git a/content/renderer/media/media_stream_track.cc b/content/renderer/media/media_stream_track.cc
index 0f5755434438d03ab0d21c78d60d612814c5b7d0..70ebca194cc27d80e6016dc4eece417e3746b99b 100644
--- a/content/renderer/media/media_stream_track.cc
+++ b/content/renderer/media/media_stream_track.cc
@@ -18,36 +18,16 @@ MediaStreamTrack* MediaStreamTrack::GetTrack(
   return static_cast<MediaStreamTrack*>(track.extraData());
 }
 
-MediaStreamTrack::MediaStreamTrack(
-    const scoped_refptr<webrtc::MediaStreamTrackInterface>& track,
-    bool is_local_track)
-    : track_(track), is_local_track_(is_local_track) {
+MediaStreamTrack::MediaStreamTrack(bool is_local_track)
+    : is_local_track_(is_local_track) {
 }
 
 MediaStreamTrack::~MediaStreamTrack() {
 }
 
-void MediaStreamTrack::SetEnabled(bool enabled) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (track_.get())
-    track_->set_enabled(enabled);
-}
-
-// TODO(tommi): Remove this hack when we have a separate implementation for
-// remote media stream tracks.  Stop() can probably be made pure virtual.
-void MediaStreamTrack::Stop() {
-  DCHECK(!is_local_track_) << "Local implementations must override Stop()";
-  // Stop means that a track should be stopped permanently. But
-  // since there is no proper way of doing that on a remote track, we can
-  // at least disable the track. Blink will not call down to the content layer
-  // after a track has been stopped.
-  SetEnabled(false);
-}
-
 webrtc::AudioTrackInterface* MediaStreamTrack::GetAudioAdapter() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  DCHECK_EQ(track_->kind(), "audio");
-  return static_cast<webrtc::AudioTrackInterface*>(track_.get());
+  NOTREACHED();
+  return nullptr;
 }
 
 }  // namespace content