Bug 827208: Cache the delegate that consumed the MotionEvent. [r=bnicholson]
Bug 845841 - Don't inline object element read if the value may be a string. r=bhackett
Bug 840476 - Add telemetry probe for character encoding override situation. r=smaug.
Bug 846144 - Don't optimize backgrounds to an ImageLayer if they have border-radius clipping. r=roc