Merge 93227

Source/WebCore/svg/SVGStyleElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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 25 matching lines @@
 
 inline SVGStyleElement::SVGStyleElement(const QualifiedName& tagName, Document* document, bool createdByParser)
     : SVGElement(tagName, document)
     , StyleElement(document, createdByParser)
 {
     ASSERT(hasTagName(SVGNames::styleTag));
 }
 
 SVGStyleElement::~SVGStyleElement()
 {
-    if (m_sheet)
-        m_sheet->clearOwnerNode();
+    StyleElement::clearDocumentData(document(), this);
 }
 
 PassRefPtr<SVGStyleElement> SVGStyleElement::create(const QualifiedName& tagName, Document* document, bool createdByParser)
 {
     return adoptRef(new SVGStyleElement(tagName, document, createdByParser));
 }
 
 const AtomicString& SVGStyleElement::type() const
 {
     DEFINE_STATIC_LOCAL(const AtomicString, defaultValue, ("text/css"));
@@ skipping 77 matching lines @@
 
 void SVGStyleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
 {
     StyleElement::childrenChanged(this);
     SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 }
 
 }
 
 #endif // ENABLE(SVG)