rendererBackgroundColor  989 Source/core/rendering/compositing/CompositedLayerMapping.cpp                 bgColor = rendererBackgroundColor();
rendererBackgroundColor 1521 Source/core/rendering/compositing/CompositedLayerMapping.cpp     m_graphicsLayer->setBackgroundColor(rendererBackgroundColor());
rendererBackgroundColor  263 Source/core/rendering/compositing/CompositedLayerMapping.h     Color rendererBackgroundColor() const;