acceleratedRenderingInUse  173 Source/core/rendering/RenderVideo.cpp     else if ((document().view() && document().view()->paintBehavior() & PaintBehaviorFlattenCompositingLayers) || !acceleratedRenderingInUse())
acceleratedRenderingInUse   81 Source/core/rendering/RenderVideo.h     bool acceleratedRenderingInUse();