cullEmptyLayers   177 Source/core/rendering/style/FillLayer.h     void cullEmptyLayers();
cullEmptyLayers  1135 Source/core/rendering/style/RenderStyle.h             accessBackgroundLayers()->cullEmptyLayers();
cullEmptyLayers  1146 Source/core/rendering/style/RenderStyle.h             accessMaskLayers()->cullEmptyLayers();