Move rendering/RenderObject to layout/LayoutObject.

Source/core/dom/PositionIterator.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 124 matching lines @@
     if (m_nodeAfterPositionInAnchor)
         return false;
     return m_anchorNode->hasChildren() || m_offsetInAnchor >= lastOffsetForEditing(m_anchorNode);
 }
 
 bool PositionIterator::isCandidate() const
 {
     if (!m_anchorNode)
         return false;
 
-    RenderObject* renderer = m_anchorNode->renderer();
+    LayoutObject* renderer = m_anchorNode->renderer();
     if (!renderer)
         return false;
 
     if (renderer->style()->visibility() != VISIBLE)
         return false;
 
     if (renderer->isBR()) {
         // For br element, the condition
         // |(!m_anchorNode->hasChildren() || m_nodeAfterPositionInAnchor)|
         // corresponds to the condition
@@ skipping 23 matching lines @@
             if (!Position::hasRenderedNonAnonymousDescendantsWithHeight(renderer))
                 return atStartOfNode() && !Position::nodeIsUserSelectNone(m_anchorNode);
             return m_anchorNode->hasEditableStyle() && !Position::nodeIsUserSelectNone(m_anchorNode) && Position(*this).atEditingBoundary();
         }
     }
 
     return false;
 }
 
 } // namespace blink