scrollContentsFastPath  335 Source/core/frame/FrameView.h     virtual bool scrollContentsFastPath(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) OVERRIDE;
scrollContentsFastPath  551 Source/platform/scroll/ScrollView.cpp     if (!shouldAttemptToScrollUsingFastPath() || !scrollContentsFastPath(-scrollDelta, scrollViewRect, clipRect))
scrollContentsFastPath  274 Source/platform/scroll/ScrollView.h     virtual bool scrollContentsFastPath(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect);