Fix for the painting problem with drop down scroll bar

third_party/WebKit/WebCore/platform/chromium/FramelessScrollView.cpp

 // Copyright (c) 2008, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 // 
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 40 matching lines @@
 
 bool FramelessScrollView::isActive() const
 {
     // FIXME
     return true;
 }
 
 void FramelessScrollView::invalidateRect(const IntRect& rect)
 {
     if (HostWindow* h = hostWindow())
-        h->repaint(contentsToWindow(rect), true);
+        h->repaint(rect, true);
 }
 
 HostWindow* FramelessScrollView::hostWindow() const
 {
     return const_cast<FramelessScrollViewClient*>(m_client);
 }
 
 IntRect FramelessScrollView::windowClipRect(bool clipToContents) const
 {
     return contentsToWindow(visibleContentRect(!clipToContents));
 }
 
 void FramelessScrollView::paintContents(GraphicsContext*, const IntRect& damageRect)
 {
 }
 
 void FramelessScrollView::contentsResized()
 {
 }
 
 void FramelessScrollView::visibleContentsResized()
 {
 }
 
 }