[SVG] Refactor getIntersectionList() and getEnclosureList()

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>
+ * Copyright (C) 2014 Google, Inc.
  *
  * 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.
@@ skipping 43 matching lines @@
 
     // "base class" methods for all the elements which render as paths
     virtual void toClipPath(Path&);
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
 
     virtual bool isValid() const OVERRIDE FINAL { return SVGTests::isValid(); }
 
     SVGAnimatedTransformList* transform() { return m_transform.get(); }
     const SVGAnimatedTransformList* transform() const { return m_transform.get(); }
 
+    AffineTransform computeCTM(SVGElement::CTMScope mode, SVGGraphicsElement::StyleUpdateStrategy,
+        const SVGGraphicsElement* ancestor = 0) const;
+
 protected:
     SVGGraphicsElement(const QualifiedName&, Document&, ConstructionType = CreateSVGElement);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
 
     RefPtr<SVGAnimatedTransformList> m_transform;
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGraphicsElement)
     END_DECLARE_ANIMATED_PROPERTIES
 
 private:
     virtual bool isSVGGraphicsElement() const OVERRIDE FINAL { return true; }
 
     // Used by <animateMotion>
     OwnPtr<AffineTransform> m_supplementalTransform;
 };
 
 inline bool isSVGGraphicsElement(const Node& node)
 {
     return node.isSVGElement() && toSVGElement(node).isSVGGraphicsElement();
 }
 
 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(SVGGraphicsElement);
 
 } // namespace WebCore
 
 #endif // SVGGraphicsElement_h