RESOLVED INVALID 110435
ScrollView should pass virtual viewport when calling scrollContentsFastPath and scrollContentsSlowPath. 
https://bugs.webkit.org/show_bug.cgi?id=110435
Summary ScrollView should pass virtual viewport when calling scrollContentsFastPath a...
Dongseong Hwang
Reported 2013-02-20 23:33:53 PST
Currently, ScrollView doesn't pass correct virtual viewport, so this patch fixes it. In detail, ScrollView::scrollContents() uses ScrollView::rectToCopyOnScroll() to get virtual viewport, but rectToCopyOnScroll() assumed the location of its own virtual viewport is always (0, 0). For your information, http://trac.webkit.org/wiki/ScalesAndZooms explains what it virtual viewport.
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