SVG: Move/rename reference management to SVGElement

Source/core/svg/SVGTextPathElement.cpp

 /*
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2010 Rob Buis <rwlbuis@gmail.com>
  *
  * 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,
@@ skipping 55 matching lines @@
 
 SVGTextPathElement::~SVGTextPathElement()
 {
 #if !ENABLE(OILPAN)
     clearResourceReferences();
 #endif
 }
 
 void SVGTextPathElement::clearResourceReferences()
 {
-    document().accessSVGExtensions().removeAllTargetReferencesForElement(this);
+    removeAllOutgoingReferences();
 }
 
 bool SVGTextPathElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty()) {
         SVGURIReference::addSupportedAttributes(supportedAttributes);
         supportedAttributes.add(SVGNames::startOffsetAttr);
         supportedAttributes.add(SVGNames::methodAttr);
         supportedAttributes.add(SVGNames::spacingAttr);
@@ skipping 67 matching lines @@
         if (document().accessSVGExtensions().isElementPendingResource(this, id))
             return;
 
         if (!id.isEmpty()) {
             document().accessSVGExtensions().addPendingResource(id, this);
             ASSERT(hasPendingResources());
         }
     } else if (isSVGPathElement(*target)) {
         // Register us with the target in the dependencies map. Any change of hrefElement
         // that leads to relayout/repainting now informs us, so we can react to it.
-        document().accessSVGExtensions().addElementReferencingTarget(this, toSVGElement((target)));
+        addReferenceTo(toSVGElement((target)));
     }
 }
 
 Node::InsertionNotificationRequest SVGTextPathElement::insertedInto(ContainerNode* rootParent)
 {
     SVGTextContentElement::insertedInto(rootParent);
     buildPendingResource();
     return InsertionDone;
 }
 
 void SVGTextPathElement::removedFrom(ContainerNode* rootParent)
 {
     SVGTextContentElement::removedFrom(rootParent);
     if (rootParent->inDocument())
         clearResourceReferences();
 }
 
 bool SVGTextPathElement::selfHasRelativeLengths() const
 {
     return m_startOffset->currentValue()->isRelative()
         || SVGTextContentElement::selfHasRelativeLengths();
 }
 
 }