Make several functions in SVGRenderSupport templated for performance

Source/core/rendering/svg/RenderSVGHiddenContainer.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/RenderSVGHiddenContainer.h"
+#include "core/rendering/svg/SVGRenderSupport.h"
 
 namespace WebCore {
 
 RenderSVGHiddenContainer::RenderSVGHiddenContainer(SVGElement* element)
     : RenderSVGContainer(element)
 {
 }
 
 void RenderSVGHiddenContainer::layout()
 {
@@ skipping 12 matching lines @@
 {
     // This subtree does not take up space or paint
 }
 
 bool RenderSVGHiddenContainer::nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint&, HitTestAction)
 {
     return false;
 }
 
 }