Remove SVGLangSpace IDL interface

Source/core/svg/SVGPolyElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGPolyElement_h
 #define SVGPolyElement_h
 
 #include "SVGNames.h"
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGExternalResourcesRequired.h"
-#include "core/svg/SVGLangSpace.h"
 #include "core/svg/SVGPointList.h"
 #include "core/svg/SVGStyledTransformableElement.h"
 #include "core/svg/SVGTests.h"
 
 namespace WebCore {
 
 class SVGPolyElement : public SVGStyledTransformableElement
                      , public SVGTests
-                     , public SVGLangSpace
                      , public SVGExternalResourcesRequired {
 public:
     SVGListPropertyTearOff<SVGPointList>* points();
     SVGListPropertyTearOff<SVGPointList>* animatedPoints();
 
     SVGPointList& pointList() const { return m_points.value; }
 
     static const SVGPropertyInfo* pointsPropertyInfo();
 
 protected:
@@ skipping 28 matching lines @@
 
 inline SVGPolyElement* toSVGPolyElement(SVGElement* element)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!element || element->hasTagName(SVGNames::polygonTag) || element->hasTagName(SVGNames::polylineTag));
     return static_cast<SVGPolyElement*>(element);
 }
 
 } // namespace WebCore
 
 #endif