Move and rename RenderPart to LayoutPart.

Source/core/rendering/RenderFrame.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 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.
@@ skipping 12 matching lines @@
 
 #include "config.h"
 #include "core/rendering/RenderFrame.h"
 
 #include "core/html/HTMLFrameElement.h"
 #include "core/frame/FrameView.h"
 
 namespace blink {
 
 RenderFrame::RenderFrame(HTMLFrameElement* frame)
-    : RenderPart(frame)
+    : LayoutPart(frame)
 {
     setInline(false);
 }
 
 FrameEdgeInfo RenderFrame::edgeInfo() const
 {
     HTMLFrameElement* element = toHTMLFrameElement(node());
     return FrameEdgeInfo(element->noResize(), element->hasFrameBorder());
 }
 
 void RenderFrame::updateFromElement()
 {
     if (parent() && parent()->isFrameSet())
         toRenderFrameSet(parent())->notifyFrameEdgeInfoChanged();
 }
 
 } // namespace blink