Merge RenderWidget into single subclass, RenderPart

Source/core/rendering/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 23 matching lines @@
 #include "platform/graphics/GraphicsContextStateSaver.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/HashMap.h"
 #include "wtf/ListHashSet.h"
 
 namespace blink {
 
 class RenderInline;
 class RenderLayerModelObject;
 class RenderObject;
-class RenderWidget;
+class RenderPart;
 
-typedef HashMap<RenderWidget*, IntRect> OverlapTestRequestMap;
+typedef HashMap<RenderPart*, IntRect> OverlapTestRequestMap;
 
 /*
  * Paint the object and its children, clipped by (x|y|w|h).
  * (tx|ty) is the calculated position of the parent
  */
 struct PaintInfo {
     PaintInfo(GraphicsContext* newContext, const IntRect& newRect, PaintPhase newPhase, PaintBehavior newPaintBehavior,
         RenderObject* newPaintingRoot = 0, ListHashSet<RenderInline*>* newOutlineObjects = 0,
         const RenderLayerModelObject* newPaintContainer = 0)
         : context(newContext)
@@ skipping 62 matching lines @@
     RenderObject* paintingRoot; // used to draw just one element and its visual kids
 
 private:
     const RenderLayerModelObject* 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