Let SVGElement handle SVGLangSpace attributes parsing

Source/core/svg/SVGAElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * 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 76 matching lines @@
 
     // Otherwise, use the title of this element.
     return SVGStyledElement::title();
 }
 
 bool SVGAElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         SVGURIReference::addSupportedAttributes(supportedAttributes);
-        SVGLangSpace::addSupportedAttributes(supportedAttributes);
         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
         supportedAttributes.add(SVGNames::targetAttr);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGAElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (!isSupportedAttribute(name)) {
         SVGGraphicsElement::parseAttribute(name, value);
         return;
     }
 
     if (name == SVGNames::targetAttr) {
         setSVGTargetBaseValue(value);
         return;
     }
 
     if (SVGURIReference::parseAttribute(name, value))
         return;
-    if (SVGLangSpace::parseAttribute(name, value))
-        return;
     if (SVGExternalResourcesRequired::parseAttribute(name, value))
         return;
 
     ASSERT_NOT_REACHED();
 }
 
 void SVGAElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
         SVGGraphicsElement::svgAttributeChanged(attrName);
@@ skipping 104 matching lines @@
     // The 'a' element may contain any element that its parent may contain, except itself.
     if (childContext.node()->hasTagName(SVGNames::aTag))
         return false;
     if (parentNode() && parentNode()->isSVGElement())
         return parentNode()->childShouldCreateRenderer(childContext);
 
     return SVGElement::childShouldCreateRenderer(childContext);
 }
 
 } // namespace WebCore