[SVG2] Merge SVGStyledElement into SVGElement

Source/core/svg/SVGGraphicsElement.h

 /*
  * Copyright (C) 2004, 2005, 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 SVGGraphicsElement_h
 #define SVGGraphicsElement_h
 
 #include "core/svg/SVGAnimatedTransformList.h"
-#include "core/svg/SVGStyledElement.h"
+#include "core/svg/SVGElement.h"
 #include "core/svg/SVGTests.h"
 #include "core/svg/SVGTransformable.h"
 
 namespace WebCore {
 
 class AffineTransform;
 class Path;
 
-class SVGGraphicsElement : public SVGStyledElement, public SVGTransformable, public SVGTests {
+class SVGGraphicsElement : public SVGElement, public SVGTransformable, public SVGTests {
 public:
     virtual ~SVGGraphicsElement();
 
     virtual AffineTransform getCTM(StyleUpdateStrategy = AllowStyleUpdate);
     virtual AffineTransform getScreenCTM(StyleUpdateStrategy = AllowStyleUpdate);
     virtual SVGElement* nearestViewportElement() const;
     virtual SVGElement* farthestViewportElement() const;
 
     virtual AffineTransform localCoordinateSpaceTransform(SVGLocatable::CTMScope mode) const { return SVGTransformable::localCoordinateSpaceTransform(mode); }
     virtual AffineTransform animatedLocalTransform() const;
     virtual AffineTransform* supplementalTransform();
 
     virtual SVGRect getBBox(StyleUpdateStrategy = AllowStyleUpdate);
 
     // "base class" methods for all the elements which render as paths
     virtual void toClipPath(Path&);
     virtual RenderObject* createRenderer(RenderStyle*);
 
 protected:
     SVGGraphicsElement(const QualifiedName&, Document*, ConstructionType = CreateSVGElement);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
 
+    virtual bool rendererIsNeeded(const NodeRenderingContext& context) OVERRIDE { return rendererIsNeededInternal(context); }
+
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGraphicsElement)
         DECLARE_ANIMATED_TRANSFORM_LIST(Transform, transform)
     END_DECLARE_ANIMATED_PROPERTIES
 
 private:
     virtual bool isSVGGraphicsElement() const OVERRIDE { return true; }
 
     // SVGTests
     virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
     virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
     virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
 
     // Used by <animateMotion>
     OwnPtr<AffineTransform> m_supplementalTransform;
 };
 
 inline SVGGraphicsElement* toSVGGraphicsElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isSVGElement());
     ASSERT_WITH_SECURITY_IMPLICATION(!node || toSVGElement(node)->isSVGGraphicsElement());
     return static_cast<SVGGraphicsElement*>(node);
 }
 
 } // namespace WebCore
 
 #endif // SVGGraphicsElement_h