hasLayerForVerticalScrollbar  510 Source/platform/scroll/ScrollView.cpp         int verticalScrollbarWidth = (verticalScrollbar() && !hasLayerForVerticalScrollbar()) ? verticalScrollbar()->width() : 0;
hasLayerForVerticalScrollbar  192 Source/platform/scroll/ScrollableArea.cpp         if (verticalScrollbar->isOverlayScrollbar() && !hasLayerForVerticalScrollbar())
hasLayerForVerticalScrollbar  224 Source/platform/scroll/ScrollableArea.h     bool hasLayerForVerticalScrollbar() const;