PretendLayerHasOwnBacking 3441 Source/core/rendering/RenderLayer.cpp     bool shouldIncludeTransform = paintsWithTransform(PaintBehaviorNormal) || (transform() && flags & PretendLayerHasOwnBacking);
PretendLayerHasOwnBacking  298 Source/core/rendering/compositing/CompositingReasonFinder.cpp             | RenderLayer::PretendLayerHasOwnBacking);