m_rootRenderLayer   50 Source/core/rendering/compositing/CompositingPropertyUpdater.cpp             IntRect clipRect = pixelSnappedIntRect(layer->clipper().backgroundClipRect(ClipRectsContext(m_rootRenderLayer, AbsoluteClipRects)).rect());
m_rootRenderLayer   32 Source/core/rendering/compositing/CompositingPropertyUpdater.h     RenderLayer* m_rootRenderLayer;