Merge 93227

Source/WebCore/html/HTMLStyleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *           (C) 2007 Rob Buis (buis@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
@@ skipping 26 matching lines @@
 
 inline HTMLStyleElement::HTMLStyleElement(const QualifiedName& tagName, Document* document, bool createdByParser)
     : HTMLElement(tagName, document)
     , StyleElement(document, createdByParser)
 {
     ASSERT(hasTagName(styleTag));
 }
 
 HTMLStyleElement::~HTMLStyleElement()
 {
-    if (m_sheet)
-        m_sheet->clearOwnerNode();
+    StyleElement::clearDocumentData(document(), this);
 }
 
 PassRefPtr<HTMLStyleElement> HTMLStyleElement::create(const QualifiedName& tagName, Document* document, bool createdByParser)
 {
     return adoptRef(new HTMLStyleElement(tagName, document, createdByParser));
 }
 
 void HTMLStyleElement::parseMappedAttribute(Attribute* attr)
 {
     if (attr->name() == titleAttr && m_sheet)
@@ skipping 55 matching lines @@
     return styleSheet->disabled();
 }
 
 void HTMLStyleElement::setDisabled(bool setDisabled)
 {
     if (StyleSheet* styleSheet = sheet())
         styleSheet->setDisabled(setDisabled);
 }
 
 }