Move rendering/RenderBox to layout/LayoutBox.

Source/core/layout/LayerClipper.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 28 matching lines @@
  * deletingthe provisions above and replace them with the notice and
  * other provisions required by the MPL or the GPL, as the case may be.
  * If you do not delete the provisions above, a recipient may use your
  * version of this file under any of the LGPL, the MPL or the GPL.
  */
 
 #ifndef LayerClipper_h
 #define LayerClipper_h
 
 #include "core/layout/ClipRectsCache.h"
-#include "core/rendering/RenderBox.h"
+#include "core/layout/LayoutBox.h"
 
 namespace blink {
 
 class Layer;
 
 enum ShouldRespectOverflowClip {
     IgnoreOverflowClip,
     RespectOverflowClip
 };
 
@@ skipping 72 matching lines @@
 
     Layer* clippingRootForPainting() const;
 
     ClipRectsCache& cache() const
     {
         if (!m_cache)
             m_cache = adoptPtr(new ClipRectsCache);
         return *m_cache;
     }
 
-    // FIXME: Could this be a RenderBox?
+    // FIXME: Could this be a LayoutBox?
     LayoutBoxModelObject& m_renderer;
     mutable OwnPtr<ClipRectsCache> m_cache;
 };
 
 } // namespace blink
 
 #endif // LayerClipper_h