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simon.fraser@apple.com authored
Reviewed by Dave Hyatt. Compositing layers are incorrectly positioned after scrolling with position:fixed https://bugs.webkit.org/show_bug.cgi?id=29262 When scrolling a page with compositing layers inside a position:fixed element, we need to update the compositing layer positions when the scroll position changes. Test: compositing/geometry/fixed-position.html * WebCore.base.exp: Export FrameView::scrollPositionChanged() * page/FrameView.h: * page/FrameView.cpp: (WebCore::FrameView::scrollPositionChanged): New method that sends the scroll event, and updates compositing layers positions if necessary. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@48526 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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