Move isValid implementations into SVGGraphicsElement

Source/core/svg/SVGAElement.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * 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.
  *
@@ skipping 18 matching lines @@
 namespace WebCore {
 
 class SVGAElement FINAL : public SVGGraphicsElement,
                           public SVGURIReference {
 public:
     static PassRefPtr<SVGAElement> create(Document&);
 
 private:
     explicit SVGAElement(Document&);
 
-    virtual bool isValid() const OVERRIDE { return SVGTests::isValid(); }
-
     virtual String title() const OVERRIDE;
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
 
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
 
     virtual void defaultEventHandler(Event*) OVERRIDE;
 
@@ skipping 11 matching lines @@
         // This declaration used to define a non-virtual "String& target() const" method, that clashes with "virtual String Element::target() const".
         // That's why it has been renamed to "svgTarget", the CodeGenerators take care of calling svgTargetAnimated() instead of targetAnimated(), see CodeGenerator.pm.
         DECLARE_ANIMATED_STRING(SVGTarget, svgTarget)
         DECLARE_ANIMATED_STRING(Href, href)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 } // namespace WebCore
 
 #endif // SVGAElement_h