Bug 1166183 - Back out the direct listener removal landed by mistake in bug 1141781. r=jesup

media/webrtc/signaling/src/mediapipeline/MediaPipeline.cpp

@@ -630,12 +630,12 @@ void MediaPipelineTransmit::AttachToTrack(const std::string& track_id) {
 
   stream_->AddListener(listener_);
 
- // // Is this a gUM mediastream?  If so, also register the Listener directly with
- // // the SourceMediaStream that's attached to the TrackUnion so we can get direct
- // // unqueued (and not resampled) data
- // if (domstream_->AddDirectListener(listener_)) {
- //   listener_->direct_connect_ = true;
- // }
+ // Is this a gUM mediastream?  If so, also register the Listener directly with
+ // the SourceMediaStream that's attached to the TrackUnion so we can get direct
+ // unqueued (and not resampled) data
+ if (domstream_->AddDirectListener(listener_)) {
+   listener_->direct_connect_ = true;
+ }
 
 #ifndef MOZILLA_INTERNAL_API
   // this enables the unit tests that can't fiddle with principals and the like