Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/html/ImageDocument.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 #include "core/html/HTMLDocument.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class CachedImage;
 class HTMLImageElement;
 
 class ImageDocument FINAL : public HTMLDocument {
 public:
-    static PassRefPtr<ImageDocument> create(Frame* frame, const KURL& url)
+    static PassRefPtr<ImageDocument> create(const DocumentInit& initializer = DocumentInit())
     {
-        return adoptRef(new ImageDocument(frame, url));
+        return adoptRef(new ImageDocument(initializer));
     }
 
     CachedImage* cachedImage();
     HTMLImageElement* imageElement() const { return m_imageElement.get(); }
 
     void windowSizeChanged();
     void imageUpdated();
     void imageClicked(int x, int y);
 
 private:
-    ImageDocument(Frame*, const KURL&);
+    ImageDocument(const DocumentInit&);
 
     virtual PassRefPtr<DocumentParser> createParser() OVERRIDE;
     virtual void dispose() OVERRIDE;
 
     void createDocumentStructure();
     void resizeImageToFit();
     void restoreImageSize();
     bool imageFitsInWindow() const;
     bool shouldShrinkToFit() const;
     float scale() const;
@@ skipping 21 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isImageDocument());
     return static_cast<const ImageDocument*>(document);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toImageDocument(const ImageDocument*);
 
 }
 
 #endif // ImageDocument_h