nonFastScrollableRects  160 Source/core/page/Page.h     PassRefPtr<ClientRectList> nonFastScrollableRects(const LocalFrame*);
nonFastScrollableRects 1924 Source/core/testing/Internals.cpp     return page->nonFastScrollableRects(document->frame());
nonFastScrollableRects  237 Source/core/testing/Internals.h     PassRefPtr<ClientRectList> nonFastScrollableRects(Document*, ExceptionState&) const;