Use an SVGElementProxy in ReferenceClipPathOperation

third_party/WebKit/Source/core/layout/svg/LayoutSVGResourceContainer.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010. 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 43 matching lines @@
   if (m_isInLayout)
     return;
 
   AutoReset<bool> inLayoutChange(&m_isInLayout, true);
 
   LayoutSVGHiddenContainer::layout();
 
   clearInvalidationMask();
 }
 
+SVGElementProxySet* LayoutSVGResourceContainer::elementProxySet() {
+  return element()->elementProxySet();
+}
+
 void LayoutSVGResourceContainer::notifyContentChanged() {
   if (SVGElementProxySet* proxySet = elementProxySet())
     proxySet->notifyContentChanged(element()->treeScope());
 }
 
 void LayoutSVGResourceContainer::willBeDestroyed() {
   // Detach all clients referring to this resource. If the resource itself is
   // a client, it will be detached from any such resources by the call to
   // LayoutSVGHiddenContainer::willBeDestroyed() below.
   detachAllClients();
@@ skipping 230 matching lines @@
       // This will process the rest of the ancestors.
       toLayoutSVGResourceContainer(current)->removeAllClientsFromCache();
       break;
     }
 
     current = current->parent();
   }
 }
 
 }  // namespace blink