Move rendering/RenderObject to layout/LayoutObject.

Source/core/rendering/RenderFieldset.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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.
@@ skipping 44 matching lines @@
         if (legendMarginLeft.isFixed())
             legendMinWidth += legendMarginLeft.value();
 
         if (legendMarginRight.isFixed())
             legendMinWidth += legendMarginRight.value();
 
         m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, legendMinWidth + borderAndPaddingWidth());
     }
 }
 
-RenderObject* RenderFieldset::layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&)
+LayoutObject* RenderFieldset::layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&)
 {
     RenderBox* legend = findLegend();
     if (legend) {
         if (relayoutChildren)
             legend->setNeedsLayoutAndFullPaintInvalidation();
         legend->layoutIfNeeded();
 
         LayoutUnit logicalLeft;
         if (style()->isLeftToRightDirection()) {
             switch (legend->style()->textAlign()) {
@@ skipping 45 matching lines @@
         }
 
         setLogicalTopForChild(*legend, legendLogicalTop);
         setLogicalHeight(paddingBefore() + collapsedLegendExtent);
     }
     return legend;
 }
 
 RenderBox* RenderFieldset::findLegend(FindLegendOption option) const
 {
-    for (RenderObject* legend = firstChild(); legend; legend = legend->nextSibling()) {
+    for (LayoutObject* legend = firstChild(); legend; legend = legend->nextSibling()) {
         if (option == IgnoreFloatingOrOutOfFlow && legend->isFloatingOrOutOfFlowPositioned())
             continue;
 
         if (isHTMLLegendElement(legend->node()))
             return toRenderBox(legend);
     }
     return 0;
 }
 
 void RenderFieldset::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     FieldsetPainter(*this).paintBoxDecorationBackground(paintInfo, paintOffset);
 }
 
 void RenderFieldset::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     FieldsetPainter(*this).paintMask(paintInfo, paintOffset);
 }
 
 } // namespace blink