requiresCompositingForOverflowScrollingParent 153 Source/core/rendering/compositing/CompositingReasonFinder.cpp if (requiresCompositingForOverflowScrollingParent(layer)) requiresCompositingForOverflowScrollingParent 46 Source/core/rendering/compositing/CompositingReasonFinder.h bool requiresCompositingForOverflowScrollingParent(const RenderLayer*) const;