[import] Refactoring: Get rid of BlockedFromCreatingDocument state

Source/core/html/HTMLImport.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 123 matching lines @@
     static bool isMaster(Document*);
 
     virtual ~HTMLImport() { }
 
     Frame* frame();
     Document* master();
     HTMLImportsController* controller();
 
     bool isCreatedByParser() const { return m_createdByParser; }
     bool isBlockedFromRunningScript() const { return m_state <= BlockedFromRunningScript; }
-    bool isBlockedFromCreatingDocument() const { return m_state <= BlockedFromCreatingDocument; }
     bool isBlocked() const { return m_state < Ready; }
 
+    bool isBlockedFromCreatingDocument() const;
+
     void appendChild(HTMLImport*);
 
     virtual HTMLImportRoot* root() = 0;
     virtual Document* document() const = 0;
     virtual void wasDetachedFromDocument() = 0;
     virtual void didFinishParsing() = 0;
     virtual bool isDone() const = 0; // FIXME: Should be renamed to haveFinishedLoading()
+    virtual bool hasLoader() const = 0;
     virtual bool ownsLoader() const { return false; }
     virtual CustomElementMicrotaskImportStep* customElementMicrotaskStep() const { return 0; }
 
 protected:
     enum State {
-        BlockedFromCreatingDocument,
         BlockedFromRunningScript,
         WaitingLoaderOrChildren,
         Ready
     };
 
     explicit HTMLImport(State state, bool createdByParser = false)
         : m_state(state)
         , m_createdByParser(createdByParser)
     { }
 
     virtual void didUnblockFromCreatingDocument();
     virtual void didUnblockFromRunningScript();
     virtual void didBecomeReady();
 
     void loaderWasResolved();
     void loaderDidFinish();
 
 private:
     static void block(HTMLImport*);
 
     void blockPredecessorsOf(HTMLImport* child);
     void blockFromRunningScript();
-    void blockFromCreatingDocument();
     void waitLoaderOrChildren();
     void unblockFromRunningScript();
-    void unblockFromCreatingDocument();
     void becomeReady();
 
-    bool isBlockedFromCreatingDocumentByPredecessors() const;
     bool isBlockedFromRunningScriptByPredecessors() const;
     bool isBlockingFollowersFromRunningScript() const;
     bool isBlockingFollowersFromCreatingDocument() const;
 
     State m_state;
 
     bool m_createdByParser : 1;
 };
 
 // An abstract class to decouple its sublcass HTMLImportsController.
 class HTMLImportRoot : public HTMLImport {
 public:
     HTMLImportRoot() : HTMLImport(Ready) { }
 
     virtual void blockerGone() = 0;
     virtual HTMLImportsController* toController() = 0;
     virtual HTMLImportChild* findLinkFor(const KURL&, HTMLImport* excluding = 0) const = 0;
 };
 
 } // namespace WebCore
 
 #endif // HTMLImport_h