Move rendering/RenderBox to layout/LayoutBox.

Source/core/rendering/RenderOverflow.h

 /*
  * Copyright (C) 2003, 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef RenderOverflow_h
 #define RenderOverflow_h
 
 #include "platform/geometry/LayoutRect.h"
 
 namespace blink
 {
-// RenderOverflow is a class for tracking content that spills out of a box.  This class is used by RenderBox and
+// RenderOverflow is a class for tracking content that spills out of a box.  This class is used by LayoutBox and
 // InlineFlowBox.
 //
 // There are two types of overflow: layout overflow (which is expected to be reachable via scrolling mechanisms) and
 // visual overflow (which is not expected to be reachable via scrolling mechanisms).
 //
 // Layout overflow examples include other boxes that spill out of our box,  For example, in the inline case a tall image
 // could spill out of a line box.
 
 // Examples of visual overflow are shadows, text stroke (and eventually outline and border-image).
 
@@ skipping 67 matching lines @@
 }
 
 inline void RenderOverflow::setVisualOverflow(const LayoutRect& rect)
 {
     m_visualOverflow = rect;
 }
 
 } // namespace blink
 
 #endif // RenderOverflow_h