Move rendering/RenderObject to layout/LayoutObject.

Source/core/rendering/SubtreeLayoutScope.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 // e.g. for the purposes of doing a multipass layout.
 //
 // It should only be used during layout. Outside of layout, you should
 // just call renderer->setNeedsLayout() directly.
 //
 // It ensures that you don't accidentally mark part of the tree as
 // needing layout and not actually lay it out.
 
 namespace blink {
 
-class RenderObject;
+class LayoutObject;
 
 class SubtreeLayoutScope {
 public:
-    SubtreeLayoutScope(RenderObject& root);
+    SubtreeLayoutScope(LayoutObject& root);
     ~SubtreeLayoutScope();
 
-    void setNeedsLayout(RenderObject* descendant);
-    void setChildNeedsLayout(RenderObject* descendant);
+    void setNeedsLayout(LayoutObject* descendant);
+    void setChildNeedsLayout(LayoutObject* descendant);
 
-    RenderObject& root() { return m_root; }
-    void addRendererToLayout(RenderObject* renderer);
+    LayoutObject& root() { return m_root; }
+    void addRendererToLayout(LayoutObject* renderer);
 
 private:
-    RenderObject& m_root;
+    LayoutObject& m_root;
 
 #if ENABLE(ASSERT)
-    HashSet<RenderObject*> m_renderersToLayout;
+    HashSet<LayoutObject*> m_renderersToLayout;
 #endif
 };
 
 }
 
 #endif