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