Clean up SVGNames usage in core/rendering

Source/core/rendering/svg/RenderSVGGradientStop.cpp

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.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.
  */
 
 #include "config.h"
 
 #include "core/rendering/svg/RenderSVGGradientStop.h"
 
-#include "SVGNames.h"
 #include "core/rendering/svg/RenderSVGResourceContainer.h"
 #include "core/svg/SVGGradientElement.h"
 #include "core/svg/SVGStopElement.h"
 
 namespace WebCore {
 
-using namespace SVGNames;
-
 RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement* element)
     : RenderObject(element)
 {
 }
 
 RenderSVGGradientStop::~RenderSVGGradientStop()
 {
 }
 
 void RenderSVGGradientStop::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
@@ skipping 22 matching lines @@
 }
 
 SVGGradientElement* RenderSVGGradientStop::gradientElement() const
 {
     ContainerNode* parentNode = node()->parentNode();
     ASSERT(parentNode);
     return isSVGGradientElement(*parentNode) ? toSVGGradientElement(parentNode) : 0;
 }
 
 }