PaintLayerPaintingCompositingScrollingPhase 2055 Source/core/rendering/RenderLayer.cpp bool isPaintingScrollingContent = paintFlags & PaintLayerPaintingCompositingScrollingPhase; PaintLayerPaintingCompositingScrollingPhase 1904 Source/core/rendering/compositing/CompositedLayerMapping.cpp paintFlags |= PaintLayerPaintingCompositingScrollingPhase;