Bug 497003 - Support delivery of OnDataAvailable off the main thread r=bz r=jduell
Bug 497003 - Support delivery of OnDataAvailable on the HTML5 parser thread r=hsivonen r=bholley r=bz
Bug 881658 - Fix handling of error and event callbacks in current WebRTC Mochitests. r=jsmith

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extra : rebase_source : 1d98e4ce4f339f757f60b98e49ab2e28a8e5912f