Bug 819930 - Part 1: Implement an API for emulating CSS media types. r=dbaron
Bug 819930 - Part 2: Add a GCLI command for emulating CSS media types. r=jwalker
Bug 891884 - toBlob should support the quality parameter as toDataURL does r=joedrew sr=mrbkap
Bug 894948 - Remove effectively-dead analysis-related code from interpreter. r=jandem

--HG--
extra : rebase_source : b1cd7b3232a2541d2282609cb698d6c9f825e3be
extra : amend_source : 97483ece12c0750e9fcff906ffdf6321617c106d
Bug 883591 - Don't allow creating a MediaStreamDestinationNode on an OfflineAudioContext. r=ehsan