Introduce SVGGraphicsElement IDL interface

Source/core/rendering/svg/RenderSVGResourceClipper.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  * Copyright (C) 2011 Dirk Schulze <krit@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 82 matching lines @@
     // visible shape, the additive clipping may not work, caused by the clipRule. EvenOdd
     // as well as NonZero can cause self-clipping of the elements.
     // See also http://www.w3.org/TR/SVG/painting.html#FillRuleProperty
     for (Node* childNode = node()->firstChild(); childNode; childNode = childNode->nextSibling()) {
         RenderObject* renderer = childNode->renderer();
         if (!renderer)
             continue;
         // Only shapes or paths are supported for direct clipping. We need to fallback to masking for texts.
         if (renderer->isSVGText())
             return false;
-        if (!childNode->isSVGElement() || !toSVGElement(childNode)->isStyledTransformable())
+        if (!childNode->isSVGElement() || !toSVGElement(childNode)->isSVGGraphicsElement())
             continue;
-        SVGStyledTransformableElement* styled = toSVGStyledTransformableElement(childNode);
+        SVGGraphicsElement* styled = toSVGGraphicsElement(childNode);
         RenderStyle* style = renderer->style();
         if (!style || style->display() == NONE || style->visibility() != VISIBLE)
              continue;
         const SVGRenderStyle* svgStyle = style->svgStyle();
         // Current shape in clip-path gets clipped too. Fallback to masking.
         if (!svgStyle->clipperResource().isEmpty())
             return false;
         // Fallback to masking, if there is more than one clipping path.
         if (clipPath.isEmpty()) {
             styled->toClipPath(clipPath);
@@ skipping 200 matching lines @@
         AffineTransform transform;
         transform.translate(objectBoundingBox.x(), objectBoundingBox.y());
         transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.height());
         return transform.mapRect(m_clipBoundaries);
     }
 
     return m_clipBoundaries;
 }
 
 }