Store repaint rects in the coordinate space of their backing GraphicsLayer.

Source/core/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 457 matching lines @@
 {
     repaint();
 
     // The only way we know how to hit these ASSERTS below this point is via the Chromium OS login screen.
     DisableCompositingQueryAsserts disabler;
 
     if (compositor()->inCompositingMode())
         compositor()->repaintCompositedLayers();
 }
 
-void RenderView::computeRectForRepaint(const RenderLayerModelObject* repaintContainer, LayoutRect& rect, bool fixed) const
+void RenderView::mapRectToRepaintBacking(const RenderLayerModelObject* repaintContainer, LayoutRect& rect, bool fixed) const
 {
     // If a container was specified, and was not 0 or the RenderView,
     // then we should have found it by now.
     ASSERT_ARG(repaintContainer, !repaintContainer || repaintContainer == this);
 
     if (document().printing())
         return;
 
     if (style()->isFlippedBlocksWritingMode()) {
         // We have to flip by hand since the view's logical height has not been determined.  We
@@ skipping 504 matching lines @@
     return viewWidth(IncludeScrollbars) / scale;
 }
 
 double RenderView::layoutViewportHeight() const
 {
     float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
     return viewHeight(IncludeScrollbars) / scale;
 }
 
 } // namespace WebCore