[import] Refactoring: Get rid of BlockedFromCreatingDocument state

Source/core/html/HTMLImportsController.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 44 matching lines @@
 
     explicit HTMLImportsController(Document*);
     virtual ~HTMLImportsController();
 
     // HTMLImport
     virtual HTMLImportRoot* root() OVERRIDE;
     virtual Document* document() const OVERRIDE;
     virtual void wasDetachedFromDocument() OVERRIDE;
     virtual void didFinishParsing() OVERRIDE;
     virtual bool isDone() const OVERRIDE;
+    virtual bool hasLoader() const OVERRIDE;
 
     // HTMLImportRoot
     virtual void blockerGone() OVERRIDE;
     virtual HTMLImportsController* toController() OVERRIDE { return this; }
     virtual HTMLImportChild* findLinkFor(const KURL&, HTMLImport* excluding = 0) const OVERRIDE;
 
     HTMLImportChild* load(HTMLImport* parent, HTMLImportChildClient*, FetchRequest);
     void showSecurityErrorMessage(const String&);
 
     SecurityOrigin* securityOrigin() const;
@@ skipping 10 matching lines @@
     Timer<HTMLImportsController> m_unblockTimer;
 
     // List of import which has been loaded or being loaded.
     typedef Vector<OwnPtr<HTMLImportChild> > ImportList;
     ImportList m_imports;
 };
 
 } // namespace WebCore
 
 #endif // HTMLImportsController_h