Backed out changeset ecee67ed1ddf (bug 1201363)

dom/media/MediaStreamGraph.cpp

@@ -241,6 +241,16 @@ MediaStreamGraphImpl::ExtractPendingInput(SourceMediaStream* aStream,
             l->NotifyQueuedTrackChanges(this, data->mID,
                                         offset, static_cast<TrackEventCommand>(data->mCommands), *data->mData);
           }
+        } else {
+          // Fixme: This part will be removed in the bug 1201363. It will be
+          // removed in changeset "Do not copy video segment to StreamTracks in
+          // TrackUnionStream."
+
+          // Dealing with video and not TRACK_CREATE and TRACK_END case.
+          for (MediaStreamListener* l : aStream->mListeners) {
+            l->NotifyQueuedTrackChanges(this, data->mID,
+                                        offset, static_cast<TrackEventCommand>(data->mCommands), *data->mData);
+          }
         }
       }
 

dom/media/TrackUnionStream.cpp

@@ -332,6 +332,12 @@ TrackUnionStream::TrackUnionStream() :
                                    *static_cast<AudioSegment*>(segment),
                                    map->mInputPort->GetSource(),
                                    map->mInputTrackID);
+        } else {
+          // This part will be removed in bug 1201363.
+          l->NotifyQueuedTrackChanges(Graph(), outputTrack->GetID(),
+                                      outputStart, TrackEventCommand::TRACK_EVENT_NONE, *segment,
+                                      map->mInputPort->GetSource(),
+                                      map->mInputTrackID);
         }
       }
       for (TrackBound<MediaStreamTrackListener>& b : mTrackListeners) {