setNeedsCompositedScrolling 1485 Source/core/rendering/RenderLayerScrollableArea.cpp bool RenderLayerScrollableArea::setNeedsCompositedScrolling(bool needsCompositedScrolling) setNeedsCompositedScrolling 1843 Source/core/testing/Internals.cpp void Internals::setNeedsCompositedScrolling(Element* element, unsigned needsCompositedScrolling, ExceptionState& exceptionState)