[ImageResource 4] Split ImageResource into Resource and Image parts

third_party/WebKit/Source/core/layout/LayoutImageResource.h

 /*
  * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
  * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
  * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef LayoutImageResource_h
 #define LayoutImageResource_h
 
-#include "core/fetch/ImageResource.h"
+#include "core/fetch/ImageResourceContent.h"
 #include "core/style/StyleImage.h"
 
 namespace blink {
 
 class LayoutObject;
 
 class LayoutImageResource
     : public GarbageCollectedFinalized<LayoutImageResource> {
   WTF_MAKE_NONCOPYABLE(LayoutImageResource);
 
  public:
   virtual ~LayoutImageResource();
 
   static LayoutImageResource* create() { return new LayoutImageResource; }
 
   virtual void initialize(LayoutObject*);
   virtual void shutdown();
 
-  void setImageResource(ImageResource*);
-  ImageResource* cachedImage() const { return m_cachedImage.get(); }
+  void setImageResource(ImageResourceContent*);
+  ImageResourceContent* cachedImage() const { return m_cachedImage.get(); }
   virtual bool hasImage() const { return m_cachedImage; }
 
   void resetAnimation();
   bool maybeAnimated() const;
 
   virtual PassRefPtr<Image> image(const IntSize&, float) const;
   virtual bool errorOccurred() const {
     return m_cachedImage && m_cachedImage->errorOccurred();
   }
 
   virtual bool imageHasRelativeSize() const {
     return m_cachedImage ? m_cachedImage->imageHasRelativeSize() : false;
   }
 
   virtual LayoutSize imageSize(float multiplier) const;
 
   virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); }
 
   DEFINE_INLINE_VIRTUAL_TRACE() { visitor->trace(m_cachedImage); }
 
  protected:
   LayoutImageResource();
   LayoutObject* m_layoutObject;
-  Member<ImageResource> m_cachedImage;
+  Member<ImageResourceContent> m_cachedImage;
 };
 
 }  // namespace blink
 
 #endif  // LayoutImage_h