Bug 957691 - Convert assertions to warnings to hide intermittent test failures. r=roc
Bug 976533 - In case there is are both a MixBlendMode and BlendContainer wrapping the same stacking display list, reverse the order so that the BlendContainer comes first. This way, it will not isolate the legitimate MixBlendMode item. r=roc
Bug 976533 - Add a reftest. r=roc
Bug 977224 - ctypes.Int64(0x8000000000000000) does not throw type error on PowerPC. r=jorendorff
Bug 977723 - Remove two unused vars in accessible/. r=surkov
Bug 977803 - Release the fcntl lock during nsProfileLock::Unlock if it was acquired. r=bsmedberg
Automatic merge