MaskFillLayer 166 Source/core/css/resolver/AnimatedStyleBuilder.cpp fillLayer = new FillLayer(MaskFillLayer); MaskFillLayer 70 Source/core/rendering/style/FillLayer.cpp , m_compositeSet(useInitialValues || type == MaskFillLayer) MaskFillLayer 1140 Source/core/rendering/style/RenderStyle.h void clearMaskLayers() { rareNonInheritedData.access()->m_mask = FillLayer(MaskFillLayer); } MaskFillLayer 43 Source/core/rendering/style/StyleRareNonInheritedData.cpp , m_mask(MaskFillLayer, true)