--- a/src/3rdparty/webkit/WebCore/page/FrameView.h	Mon May 03 13:17:34 2010 +0300
+++ b/src/3rdparty/webkit/WebCore/page/FrameView.h	Fri May 14 16:40:13 2010 +0300
@@ -212,6 +212,7 @@
 
     friend class RenderWidget;
     bool useSlowRepaints() const;
+    bool useSlowRepaintsIfNotOverlapped() const;
 
     void applyOverflowToViewport(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode);