Bug 527444 - Use "do_register_cleanup(...)" calls instead of "tail_*.js" files in xpcshell, Core, and Toolkit. f=sgautherie, r=jdm
Bug 1047124 - Clean up memory leaks. r=BenWa
Bug 1109405 - Fix shutdown of MediaEngineWebRTC sources with multiple attached streams. r=jesup
Bug 1105194 - Bail early if Websocket connection is being disconnected. r=smaug