Introduce SVGGraphicsElement IDL interface

Source/core/svg/SVGAnimateMotionElement.cpp

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * 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 42 matching lines @@
     return adoptRef(new SVGAnimateMotionElement(tagName, document));
 }
 
 bool SVGAnimateMotionElement::hasValidAttributeType()
 {
     SVGElement* targetElement = this->targetElement();
     if (!targetElement)
         return false;
 
     // We don't have a special attribute name to verify the animation type. Check the element name instead.
-    if (!targetElement->isStyledTransformable() && !targetElement->hasTagName(SVGNames::textTag))
+    if (!targetElement->isSVGGraphicsElement() && !targetElement->hasTagName(SVGNames::textTag))
         return false;
     // Spec: SVG 1.1 section 19.2.15
     // FIXME: svgTag is missing. Needs to be checked, if transforming <svg> could cause problems.
     if (targetElement->hasTagName(gTag)
         || targetElement->hasTagName(defsTag)
         || targetElement->hasTagName(useTag)
         || targetElement->hasTagName(SVGNames::imageTag)
         || targetElement->hasTagName(switchTag)
         || targetElement->hasTagName(pathTag)
         || targetElement->hasTagName(rectTag)
@@ skipping 252 matching lines @@
 
 void SVGAnimateMotionElement::updateAnimationMode()
 {
     if (!m_animationPath.isEmpty())
         setAnimationMode(PathAnimation);
     else
         SVGAnimationElement::updateAnimationMode();
 }
 
 }