setForceNeedsCompositedScrolling 226 Source/core/rendering/RenderLayerScrollableArea.h void setForceNeedsCompositedScrolling(ForceNeedsCompositedScrollingMode); setForceNeedsCompositedScrolling 1853 Source/core/testing/Internals.cpp layer->scrollableArea()->setForceNeedsCompositedScrolling(static_cast<ForceNeedsCompositedScrollingMode>(needsCompositedScrolling));