getBackgroundPaintedExtent 1380 Source/core/rendering/RenderBox.cpp     if (!getBackgroundPaintedExtent(backgroundRect))
getBackgroundPaintedExtent  635 Source/core/rendering/RenderBox.h     bool getBackgroundPaintedExtent(LayoutRect&) const;
getBackgroundPaintedExtent  520 Source/core/rendering/RenderImage.cpp     if (!getBackgroundPaintedExtent(paintedExtent))