Let SVGElement handle SVGLangSpace attributes parsing

Source/core/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 82 matching lines @@
 }
 
 void SVGStyleElement::setTitle(const AtomicString& title)
 {
     setAttribute(SVGNames::titleAttr, title);
 }
 
 bool SVGStyleElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty()) {
-        SVGLangSpace::addSupportedAttributes(supportedAttributes);
+    if (supportedAttributes.isEmpty())
         supportedAttributes.add(SVGNames::titleAttr);
-    }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (!isSupportedAttribute(name)) {
         SVGElement::parseAttribute(name, value);
         return;
     }
 
     if (name == SVGNames::titleAttr) {
         if (m_sheet)
             m_sheet->setTitle(value);
         return;
     }
 
-    if (SVGLangSpace::parseAttribute(name, value))
-        return;
-
     ASSERT_NOT_REACHED();
 }
 
 void SVGStyleElement::finishParsingChildren()
 {
     StyleElement::finishParsingChildren(this);
     SVGElement::finishParsingChildren();
 }
 
 Node::InsertionNotificationRequest SVGStyleElement::insertedInto(ContainerNode* rootParent)
@@ skipping 16 matching lines @@
         StyleElement::removedFromDocument(document(), this);
 }
 
 void SVGStyleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
 {
     SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
     StyleElement::childrenChanged(this);
 }
 
 }