--- a/src/3rdparty/webkit/WebCore/page/FrameView.h	Fri Apr 16 11:39:52 2010 +0300
+++ b/src/3rdparty/webkit/WebCore/page/FrameView.h	Mon Apr 19 10:15:19 2010 +0300
@@ -212,6 +212,7 @@
 
     friend class RenderWidget;
     bool useSlowRepaints() const;
+    bool useSlowRepaintsIfNotOverlapped() const;
 
     void applyOverflowToViewport(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode);