shouldInvalidateScrollRect  220 Source/web/painting/PaintAggregator.cpp         if (shouldInvalidateScrollRect(rect))
shouldInvalidateScrollRect  291 Source/web/painting/PaintAggregator.cpp     if (shouldInvalidateScrollRect(IntRect()))
shouldInvalidateScrollRect   83 Source/web/painting/PaintAggregator.h     bool shouldInvalidateScrollRect(const WebCore::IntRect&) const;