Refactoring: Introduce HTMLImport interface to form import tree.

Source/core/dom/Document.h

 /*
  * 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, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 84 matching lines @@
 class FormController;
 class Frame;
 class FrameView;
 class HTMLCanvasElement;
 class HTMLCollection;
 class HTMLAllCollection;
 class HTMLDocument;
 class HTMLElement;
 class HTMLFrameOwnerElement;
 class HTMLHeadElement;
-class HTMLImportsController;
+class HTMLImport;
 class HTMLIFrameElement;
 class HTMLMapElement;
 class HTMLNameCollection;
 class HTMLScriptElement;
 class HitTestRequest;
 class HitTestResult;
 class IntPoint;
 class LayoutPoint;
 class LayoutRect;
 class LiveNodeListBase;
@@ skipping 872 matching lines @@
     Prerenderer* prerenderer() { return m_prerenderer.get(); }
 
     TextAutosizer* textAutosizer() { return m_textAutosizer.get(); }
 
     PassRefPtr<Element> createElement(const AtomicString& localName, const AtomicString& typeExtension, ExceptionCode&);
     PassRefPtr<Element> createElementNS(const AtomicString& namespaceURI, const String& qualifiedName, const AtomicString& typeExtension, ExceptionCode&);
     ScriptValue registerElement(WebCore::ScriptState*, const AtomicString& name, ExceptionCode&);
     ScriptValue registerElement(WebCore::ScriptState*, const AtomicString& name, const Dictionary& options, ExceptionCode&);
     CustomElementRegistrationContext* registrationContext() { return m_registrationContext.get(); }
 
-    void setImports(PassRefPtr<HTMLImportsController>);
-    HTMLImportsController* imports() const { return m_imports.get(); }
+    void setImport(HTMLImport*);
+    HTMLImport* import() const { return m_import; }
     bool haveImportsLoaded() const;
     void didLoadAllImports();
 
     void adjustFloatQuadsForScrollAndAbsoluteZoom(Vector<FloatQuad>&, RenderObject*);
     void adjustFloatRectForScrollAndAbsoluteZoom(FloatRect&, RenderObject*);
 
     bool hasActiveParser();
     unsigned activeParserCount() { return m_activeParserCount; }
     void incrementActiveParserCount() { ++m_activeParserCount; }
     void decrementActiveParserCount();
@@ skipping 315 matching lines @@
     RefPtr<ScriptedAnimationController> m_scriptedAnimationController;
 
     Timer<Document> m_pendingTasksTimer;
     Vector<OwnPtr<Task> > m_pendingTasks;
 
     OwnPtr<Prerenderer> m_prerenderer;
 
     OwnPtr<TextAutosizer> m_textAutosizer;
 
     RefPtr<CustomElementRegistrationContext> m_registrationContext;
-    RefPtr<HTMLImportsController> m_imports;
+    HTMLImport* m_import;
 
     bool m_scheduledTasksAreSuspended;
     
     RefPtr<NamedFlowCollection> m_namedFlows;
 
     RefPtr<DOMSecurityPolicy> m_domSecurityPolicy;
 
     void sharedObjectPoolClearTimerFired(Timer<Document>*);
     Timer<Document> m_sharedObjectPoolClearTimer;
 
@@ skipping 64 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == documentInternal();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h