Remove SVGElementInstance includes

Source/core/rendering/svg/RenderSVGViewportContainer.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 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) 2009 Google, Inc.
  *
  * 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/RenderSVGViewportContainer.h"
 
 #include "SVGNames.h"
 #include "core/rendering/svg/SVGRenderSupport.h"
-#include "core/svg/SVGElementInstance.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/SVGUseElement.h"
 #include "platform/graphics/GraphicsContext.h"
 
 namespace WebCore {
 
 RenderSVGViewportContainer::RenderSVGViewportContainer(SVGElement* node)
     : RenderSVGContainer(node)
     , m_didTransformToRootUpdate(false)
     , m_isLayoutSizeChanged(false)
@@ skipping 69 matching lines @@
 {
     ASSERT(element());
     // An empty viewBox disables rendering.
     if (isSVGSVGElement(*element()) && toSVGSVGElement(*element()).hasEmptyViewBox())
         return;
 
     RenderSVGContainer::paint(paintInfo, paintOffset);
 }
 
 }