[import] Refactoring: Get rid of HTMLImport::isProcessing()

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 132 matching lines @@
     bool isBlockedFromRunningScript() const { return m_state <= BlockedFromRunningScript; }
     bool isBlockedFromCreatingDocument() const { return m_state <= BlockedFromCreatingDocument; }
     bool isBlocked() const { return m_state < Ready; }
 
     void appendChild(HTMLImport*);
 
     virtual HTMLImportRoot* root() = 0;
     virtual Document* document() const = 0;
     virtual void wasDetachedFromDocument() = 0;
     virtual void didFinishParsing() = 0;
-    virtual bool isProcessing() const = 0;
     virtual bool isDone() const = 0; // FIXME: Should be renamed to haveFinishedLoading()
+    virtual bool ownsLoader() const { return false; }
     virtual CustomElementPendingImport* pendingImport() const { return 0; }
 
 protected:
     enum State {
         BlockedFromCreatingDocument,
         BlockedFromRunningScript,
         WaitingLoaderOrChildren,
         Ready
     };
 
@@ skipping 36 matching lines @@
     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