Get rid of SVGPathSegRole

Source/core/svg/SVGPathSegLinetoVertical.h

 /*
  * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 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 SVGPathSegLinetoVertical_h
 #define SVGPathSegLinetoVertical_h
 
 #include "core/svg/SVGPathSegWithContext.h"
 
 namespace blink {
 
 class SVGPathSegLinetoVertical : public SVGPathSegWithContext {
 public:
-    SVGPathSegLinetoVertical(SVGPathElement* element, SVGPathSegRole role, float y)
-        : SVGPathSegWithContext(element, role)
+    SVGPathSegLinetoVertical(SVGPathElement* element, float y)
+        : SVGPathSegWithContext(element)
         , m_y(y)
     {
     }
 
     float y() const { return m_y; }
     void setY(float y)
     {
         m_y = y;
         commitChange();
     }
 
 private:
     float m_y;
 };
 
 } // namespace blink
 
 #endif