Use an SVGElementProxy in ReferenceClipPathOperation

third_party/WebKit/Source/core/svg/SVGElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2009, 2014 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 24 matching lines @@
 
 class AffineTransform;
 class CSSCursorImageValue;
 class Document;
 class SVGAnimatedPropertyBase;
 class SubtreeLayoutScope;
 class SVGAnimatedString;
 class SVGCursorElement;
 class SVGDocumentExtensions;
 class SVGElement;
+class SVGElementProxySet;
 class SVGElementRareData;
 class SVGFitToViewBox;
 class SVGPropertyBase;
 class SVGSVGElement;
 class SVGUseElement;
 
 typedef HeapHashSet<Member<SVGElement>> SVGElementSet;
 
 class CORE_EXPORT SVGElement : public Element {
   DEFINE_WRAPPERTYPEINFO();
@@ skipping 105 matching lines @@
   virtual bool haveLoadedRequiredResources();
 
   void invalidateRelativeLengthClients(SubtreeLayoutScope* = 0);
 
   void addToPropertyMap(SVGAnimatedPropertyBase*);
 
   SVGAnimatedString* className() { return m_className.get(); }
 
   bool inUseShadowTree() const;
 
+  SVGElementProxySet* elementProxySet();
+
   SVGElementSet* setOfIncomingReferences() const;
   void addReferenceTo(SVGElement*);
   void rebuildAllIncomingReferences();
   void removeAllIncomingReferences();
   void removeAllOutgoingReferences();
 
   class InvalidationGuard {
     STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(InvalidationGuard);
 
@@ skipping 161 matching lines @@
   inline bool isElementOfType<const thisType>(const SVGElement& element) { \
     return is##thisType(element);                                          \
   }                                                                        \
   DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(thisType)
 
 }  // namespace blink
 
 #include "core/SVGElementTypeHelpers.h"
 
 #endif  // SVGElement_h