Bug 1057192 part.2 nsTextStore should not commit a part of composition string which will be still being composed after restarting composition r=emk
Bug 1051134 - Revert reftest annotation too.
Bug 1047743 - Screen sharing with multiple screens is broken (Mac only). r=jesup
* * *
Bug 1047743 - interdiff to not impact other platforms
Bug 1055378 - Adds RTCRTPStreamStats.mediaType + test of getStats w/track arg. r=smaug,drno,jesup
Bug 1044498 - Save init segment for reuse during overlapped appends.  r=cajbir
Bug 1044498 - Fix a bunch of WebM buffered range bugs.  r=cajbir
Bug 1044498 - Return a null decoder when CreateSubDecoder is called in Shutdown state.  r=cajbir
Bug 1044498 - Improve calculation of init segment region.  r=cajbir
Bug 1044498 - Create new decoder if non-consecutive non-overlapped appended occurs.  r=cajbir
Bug 1059625 - Detach MediaSource upon decoder shutdown.  r=cajbir
Bug 1044498 - Pass saved init segment to decoder's NotifyDataAvailable.  r=cajbir
Bug 1059625 - Bustage fix.
Bug 1059020 - report fully qualified class name to avoid conflict with mozilla::dom::Notification. r=surkov.
Bug 1055305 - flame-kk in-tree configs; r=catlee
Bug 1057225 - Fix MP4 timestamp discontinuities due to rounding; r=edwin
Bug 1057911 - Fix libav/ffmpeg drain; r=jya
Bug 1053934 - Don't use the cairo context to create similar surfaces since it might be in an error state. r=jrmuizel
Bug 1060114 - Fix partial surface uploading through BufferTextureClient. r=Bas
Bug 1057218 - Initialize mFormat in DrawTargetTiled. r=Bas
Bug 1059031 - Do quartz native drawing in device space when we need to use a temporary surface. r=jrmuizel