Let SVGElement handle SVGLangSpace attributes parsing

Source/core/svg/SVGSymbolElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 40 matching lines @@
 
 PassRefPtr<SVGSymbolElement> SVGSymbolElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new SVGSymbolElement(tagName, document));
 }
 
 bool SVGSymbolElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
-        SVGLangSpace::addSupportedAttributes(supportedAttributes);
         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
         SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGSymbolElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (!isSupportedAttribute(name)) {
         SVGStyledElement::parseAttribute(name, value);
         return;
     }
 
-    if (SVGLangSpace::parseAttribute(name, value))
-        return;
     if (SVGExternalResourcesRequired::parseAttribute(name, value))
         return;
     if (SVGFitToViewBox::parseAttribute(this, name, value))
         return;
 
     ASSERT_NOT_REACHED();
 }
 
 void SVGSymbolElement::svgAttributeChanged(const QualifiedName& attrName)
 {
@@ skipping 13 matching lines @@
 {
     return hasAttribute(SVGNames::viewBoxAttr);
 }
 
 RenderObject* SVGSymbolElement::createRenderer(RenderStyle*)
 {
     return new (document()->renderArena()) RenderSVGHiddenContainer(this);
 }
 
 }