Refactoring: Decouple ScriptElement from HTMLScriptElement and SVGScriptElement.

Source/core/html/HTMLScriptElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 11 matching lines @@
  */
 
 #ifndef HTMLScriptElement_h
 #define HTMLScriptElement_h
 
 #include "core/dom/ScriptElement.h"
 #include "core/html/HTMLElement.h"
 
 namespace WebCore {
 
-class HTMLScriptElement FINAL : public HTMLElement, public ScriptElement {
+class HTMLScriptElement FINAL : public HTMLElement, public ScriptElementClient {
 public:
     static PassRefPtr<HTMLScriptElement> create(const QualifiedName&, Document*, bool wasInsertedByParser, bool alreadyStarted = false);
 
-    String text() const { return scriptContent(); }
+    String text() { return textFromChildren(); }
     void setText(const String&);
 
     KURL src() const;
 
     void setAsync(bool);
     bool async() const;
 
+    ScriptElement* scriptElement() const { return m_scriptElement.get(); }
+
 private:
     HTMLScriptElement(const QualifiedName&, Document*, bool wasInsertedByParser, bool alreadyStarted);
 
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
 
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
 
     virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
 
     virtual String sourceAttributeValue() const;
     virtual String charsetAttributeValue() const;
     virtual String typeAttributeValue() const;
     virtual String languageAttributeValue() const;
     virtual String forAttributeValue() const;
     virtual String eventAttributeValue() const;
     virtual bool asyncAttributeValue() const;
     virtual bool deferAttributeValue() const;
     virtual bool hasSourceAttribute() const;
 
     virtual void dispatchLoadEvent();
 
     virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren();
+
+    OwnPtr<ScriptElement> m_scriptElement;
 };
 
 inline HTMLScriptElement* toHTMLScriptElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::scriptTag));
     return static_cast<HTMLScriptElement*>(node);
 }
 
 } //namespace
 
 #endif