Bug 1027875 - Fix CTS offset processing in fMP4; r=cpearce
Bug 1027875 - Remove Annex B assertion; r=cpearce
Bug 1027875 - Add fMP4 stuff to CanHandleMediaType; r=cpearce
Bug 1027875 - Add MP4 support to MSE; r=kinetik
Bug 1027875 - Make GetCachedRanges() handle the empty case; r=kinetik