Bug 907926 - Add support for windows surfaces in DrawTargetCairo size lookup. r=Bas
Bug 907926 - Don't ignore the composition operator in the Azure paths through ThebesLayerBuffer. r=roc
Bug 907926 -  Avoid pushing a group if we can in DrawTargetCairo::DrawSurface. r=Bas
Bug 907926 - Use the ClientArea when initializing the draw target in nsWindowGfx. r=Bas
Bug 907926 - Enable azure cairo content for windows. r=nrc