Bug 879011 - Turn some ints into floats to avoid rounding error. r=kentuckyfriendtakahe
Bug 879011 - Convert nsIntPoint instances in InputData.h to types with units. r=kentuckyfriedtakahe
Bug 879011 - Convert AsyncPanZoomController::ScrollBy to use templated gfx classes. r=
Bug 880676 - Correct the composition bounds to be in screen coordinates rather than layer coordinates. r=
Bug 880676 - Add a ScaleFactor class to strongly type conversions between pixel types. r=