Move rendering/RenderBox to layout/LayoutBox.

Source/core/layout/LayoutTableCell.h

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2013 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
@@ skipping 143 matching lines @@
 
     void setOverrideLogicalContentHeightFromRowHeight(LayoutUnit);
 
     virtual void scrollbarsChanged(bool horizontalScrollbarChanged, bool verticalScrollbarChanged) override;
 
     bool cellWidthChanged() const { return m_cellWidthChanged; }
     void setCellWidthChanged(bool b = true) { m_cellWidthChanged = b; }
 
     static LayoutTableCell* createAnonymous(Document*);
     static LayoutTableCell* createAnonymousWithParentRenderer(const LayoutObject*);
-    virtual RenderBox* createAnonymousBoxWithSameTypeAs(const LayoutObject* parent) const override
+    virtual LayoutBox* createAnonymousBoxWithSameTypeAs(const LayoutObject* parent) const override
     {
         return createAnonymousWithParentRenderer(parent);
     }
 
     // This function is used to unify which table part's style we use for computing direction and
     // writing mode. Writing modes are not allowed on row group and row but direction is.
     // This means we can safely use the same style in all cases to simplify our code.
     // FIXME: Eventually this function should replaced by style() once we support direction
     // on all table parts and writing-mode on cells.
     const LayoutStyle& styleForCellFlow() const
@@ skipping 129 matching lines @@
 
 inline LayoutTableCell* LayoutTableRow::lastCell() const
 {
     ASSERT(children() == virtualChildren());
     return toLayoutTableCell(children()->lastChild());
 }
 
 } // namespace blink
 
 #endif // LayoutTableCell_h