Move isValid implementations into SVGGraphicsElement

Source/core/svg/SVGPathElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 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,
@@ skipping 80 matching lines @@
 
     virtual SVGRect getBBox() OVERRIDE;
 
     static const SVGPropertyInfo* dPropertyInfo();
 
     bool isAnimValObserved() const { return m_isAnimValObserved; }
 
 private:
     explicit SVGPathElement(Document&);
 
-    virtual bool isValid() const OVERRIDE { return SVGTests::isValid(); }
     virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
     virtual bool supportsMarkers() const OVERRIDE { return true; }
 
     // Custom 'd' property
     static void synchronizeD(SVGElement* contextElement);
     static PassRefPtr<SVGAnimatedProperty> lookupOrCreateDWrapper(SVGElement* contextElement);
@@ skipping 10 matching lines @@
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGPathElement)
         DECLARE_ANIMATED_NUMBER(PathLength, pathLength)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 DEFINE_NODE_TYPE_CASTS(SVGPathElement, hasTagName(SVGNames::pathTag));
 
 } // namespace WebCore
 
 #endif