PaintLayerPaintingCompositingMaskPhase   69 Source/core/rendering/LayerPaintingInfo.h     PaintLayerPaintingCompositingAllPhases = (PaintLayerPaintingCompositingBackgroundPhase | PaintLayerPaintingCompositingForegroundPhase | PaintLayerPaintingCompositingMaskPhase)
PaintLayerPaintingCompositingMaskPhase 2192 Source/core/rendering/RenderLayer.cpp     bool shouldPaintMask = (paintFlags & PaintLayerPaintingCompositingMaskPhase) && shouldPaintContent && renderer()->hasMask() && !selectionOnly;
PaintLayerPaintingCompositingMaskPhase 1898 Source/core/rendering/compositing/CompositedLayerMapping.cpp         paintFlags |= PaintLayerPaintingCompositingMaskPhase;