Move and rename RenderPart to LayoutPart.

Source/core/layout/PaintInfo.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google 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 25 matching lines @@
 #include "wtf/HashMap.h"
 #include "wtf/ListHashSet.h"
 
 #include <limits>
 
 namespace blink {
 
 class RenderInline;
 class LayoutLayerModelObject;
 class LayoutObject;
-class RenderPart;
 
 struct PaintInfo {
     PaintInfo(GraphicsContext* newContext, const IntRect& newRect, PaintPhase newPhase, PaintBehavior newPaintBehavior,
         LayoutObject* newPaintingRoot = 0, ListHashSet<RenderInline*>* newOutlineObjects = 0,
         const LayoutLayerModelObject* newPaintContainer = 0)
         : context(newContext)
         , rect(newRect)
         , phase(newPhase)
         , paintBehavior(newPaintBehavior)
         , paintingRoot(newPaintingRoot)
@@ skipping 40 matching lines @@
     LayoutObject* paintingRoot; // used to draw just one element and its visual kids
 
 private:
     const LayoutLayerModelObject* m_paintContainer; // the layer object that originates the current painting
     ListHashSet<RenderInline*>* m_outlineObjects; // used to list outlines that should be painted by a block with inline children
 };
 
 } // namespace blink
 
 #endif // PaintInfo_h