SVGLangSpace interface should be removed

Source/core/svg/SVGUseElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012 University of Szeged
  * Copyright (C) 2012 Renata Hodovan <reni@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 104 matching lines @@
 SVGElementInstance* SVGUseElement::animatedInstanceRoot() const
 {
     // FIXME: Implement me.
     return 0;
 }
 
 bool SVGUseElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
-        SVGLangSpace::addSupportedAttributes(supportedAttributes);
         SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
         SVGURIReference::addSupportedAttributes(supportedAttributes);
         supportedAttributes.add(SVGNames::xAttr);
         supportedAttributes.add(SVGNames::yAttr);
         supportedAttributes.add(SVGNames::widthAttr);
         supportedAttributes.add(SVGNames::heightAttr);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGUseElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     SVGParsingError parseError = NoError;
 
     if (!isSupportedAttribute(name))
         SVGGraphicsElement::parseAttribute(name, value);
     else if (name == SVGNames::xAttr)
         setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
     else if (name == SVGNames::yAttr)
         setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
     else if (name == SVGNames::widthAttr)
         setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
     else if (name == SVGNames::heightAttr)
         setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
-    else if (SVGLangSpace::parseAttribute(name, value)
-             || SVGExternalResourcesRequired::parseAttribute(name, value)
+    else if (SVGExternalResourcesRequired::parseAttribute(name, value)
              || SVGURIReference::parseAttribute(name, value)) {
     } else
         ASSERT_NOT_REACHED();
 
     reportAttributeParsingError(parseError, name, value);
 }
 
 #if !ASSERT_DISABLED
 static inline bool isWellFormedDocument(Document* document)
 {
@@ skipping 80 matching lines @@
 
         if (!m_wasInsertedByParser)
             buildPendingResource();
 
         return;
     }
 
     if (!renderer)
         return;
 
-    if (SVGLangSpace::isKnownAttribute(attrName)
-        || SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
+    if (SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
         invalidateShadowTree();
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
 void SVGUseElement::attach(const AttachContext& context)
 {
     if (m_needsShadowTreeRecreation)
@@ skipping 728 matching lines @@
 
     if (m_resource)
         m_resource->removeClient(this);
 
     m_resource = resource;
     if (m_resource)
         m_resource->addClient(this);
 }
 
 }