Bug 966066 - Add principal observer to DOMMediaStream. r=roc
Bug 966066 - Add principal observer to web audio MediaStream input. r=roc
Bug 966066 - Correct tests that depend on this. r=jib
Bug 966066 - Add principal observer to RTCPeerConnection. r=jib
Bug 1000813 - Do nothing in MediaDecoder::NotifyBytesConsumed() when |mShuttingDown| is true. r=cpearce
Bug 1009291 - Forward declare ProfilerBacktrace before it is used. r=BenWa