Oilpan: Prepare to move ImageLoader and its subclasses to Oilpan heap.

Source/core/svg/SVGImageLoader.h

 /*
  * Copyright (C) 2006 Alexander Kellett <lypanov@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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 10 matching lines @@
 #define SVGImageLoader_h
 
 #include "core/loader/ImageLoader.h"
 
 namespace WebCore {
 
 class SVGImageElement;
 
 class SVGImageLoader FINAL : public ImageLoader {
 public:
-    SVGImageLoader(SVGImageElement*);
+    static PassOwnPtrWillBeRawPtr<SVGImageLoader> create(SVGImageElement* element)
+    {
+        return adoptPtrWillBeNoop(new SVGImageLoader(element));
+    }
 
 private:
+    explicit SVGImageLoader(SVGImageElement*);
     virtual void dispatchLoadEvent() OVERRIDE;
     virtual String sourceURI(const AtomicString&) const OVERRIDE;
 };
 
 } // namespace WebCore
 
 #endif // SVGImageLoader_h