paintOverlayScrollbars 2782 Source/core/frame/FrameView.cpp         rootLayer->paintOverlayScrollbars(p, rect, m_paintBehavior, renderer);
paintOverlayScrollbars  276 Source/core/rendering/RenderLayer.h     void paintOverlayScrollbars(GraphicsContext*, const LayoutRect& damageRect, PaintBehavior, RenderObject* paintingRoot = 0);