[import] Cleanup: get rid of ad-hoc state machine.

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 777 matching lines @@
     m_import = import;
 }
 
 void Document::didLoadAllImports()
 {
     executeScriptsWaitingForResourcesIfNeeded();
 }
 
 bool Document::haveImportsLoaded() const
 {
-    return !m_import || !m_import->isBlockedFromRunningScript();
+    return !m_import || !m_import->isStateBlockedFromRunningScript();
 }
 
 DOMWindow* Document::executingWindow()
 {
     if (DOMWindow* owningWindow = domWindow())
         return owningWindow;
     if (HTMLImport* import = this->import())
         return import->master()->domWindow();
     return 0;
 }
@@ skipping 4508 matching lines @@
     }
     if (m_hasAutofocused)
         return;
     m_hasAutofocused = true;
     ASSERT(!m_autofocusElement);
     m_autofocusElement = element;
     m_taskRunner->postTask(AutofocusTask::create());
 }
 
 } // namespace WebCore