Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/html/PluginDocument.h

 /*
  * Copyright (C) 2006, 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 16 matching lines @@
 
 #include "core/html/HTMLDocument.h"
 
 namespace WebCore {
 
 class Node;
 class Widget;
 
 class PluginDocument FINAL : public HTMLDocument {
 public:
-    static PassRefPtr<PluginDocument> create(Frame* frame, const KURL& url)
+    static PassRefPtr<PluginDocument> create(const DocumentInit& initializer = DocumentInit())
     {
-        return adoptRef(new PluginDocument(frame, url));
+        return adoptRef(new PluginDocument(initializer));
     }
 
     void setPluginNode(Node* pluginNode) { m_pluginNode = pluginNode; }
 
     Widget* pluginWidget();
     Node* pluginNode();
 
     virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
 
     void cancelManualPluginLoad();
 
     bool shouldLoadPluginManually() { return m_shouldLoadPluginManually; }
 
 private:
-    PluginDocument(Frame*, const KURL&);
+    PluginDocument(const DocumentInit&);
 
     virtual PassRefPtr<DocumentParser> createParser() OVERRIDE;
         
     void setShouldLoadPluginManually(bool loadManually) { m_shouldLoadPluginManually = loadManually; }
 
     bool m_shouldLoadPluginManually;
     RefPtr<Node> m_pluginNode;
 };
 
 inline PluginDocument* toPluginDocument(Document* document)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isPluginDocument());
     return static_cast<PluginDocument*>(document);
 }
 
 inline const PluginDocument* toPluginDocument(const Document* document)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!document || document->isPluginDocument());
     return static_cast<const PluginDocument*>(document);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toPluginDocument(const PluginDocument*);
     
 }
 
 #endif // PluginDocument_h