Backed out changeset e00d10064639 (bug 948269)

content/media/AudioSink.cpp

@@ -195,6 +195,7 @@ AudioSink::InitializeAudioStream()
 void
 AudioSink::Drain()
 {
+  MOZ_ASSERT(!mAudioStream->IsPaused());
   AssertCurrentThreadInMonitor();
   // If the media was too short to trigger the start of the audio stream,
   // start it now.