usesCompositedScrolling  653 Source/core/frame/FrameView.cpp bool FrameView::usesCompositedScrolling() const
usesCompositedScrolling  745 Source/core/rendering/RenderBox.cpp bool RenderBox::usesCompositedScrolling() const
usesCompositedScrolling 1522 Source/core/rendering/RenderLayerScrollableArea.cpp bool RenderLayerScrollableArea::usesCompositedScrolling() const