[ImageResource 4] Split ImageResource into Resource and Image parts

third_party/WebKit/Source/core/svg/SVGImageElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  *
  * 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,
@@ skipping 33 matching lines @@
 
   SVGAnimatedLength* x() const { return m_x.get(); }
   SVGAnimatedLength* y() const { return m_y.get(); }
   SVGAnimatedLength* width() const { return m_width.get(); }
   SVGAnimatedLength* height() const { return m_height.get(); }
   SVGAnimatedPreserveAspectRatio* preserveAspectRatio() {
     return m_preserveAspectRatio.get();
   }
 
   // Exposed for testing.
-  ImageResource* cachedImage() const { return imageLoader().image(); }
+  ImageResourceContent* cachedImage() const { return imageLoader().image(); }
 
  private:
   explicit SVGImageElement(Document&);
 
   bool isStructurallyExternal() const override {
     return !hrefString().isNull();
   }
 
   void collectStyleForPresentationAttribute(const QualifiedName&,
                                             const AtomicString&,
@@ skipping 20 matching lines @@
   Member<SVGAnimatedLength> m_height;
   Member<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio;
 
   Member<SVGImageLoader> m_imageLoader;
   bool m_needsLoaderURIUpdate : 1;
 };
 
 }  // namespace blink
 
 #endif  // SVGImageElement_h