Oilpan: Remove guardRef and guardDeref from TreeScope.

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 52 matching lines @@
     addToPropertyMap(m_spacing);
 }
 
 PassRefPtr<SVGTextPathElement> SVGTextPathElement::create(Document& document)
 {
     return adoptRef(new SVGTextPathElement(document));
 }
 
 SVGTextPathElement::~SVGTextPathElement()
 {
+#if !ENABLE(OILPAN)
     clearResourceReferences();
+#endif
 }
 
 void SVGTextPathElement::clearResourceReferences()
 {
     document().accessSVGExtensions().removeAllTargetReferencesForElement(this);
 }
 
 bool SVGTextPathElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
@@ skipping 97 matching lines @@
         clearResourceReferences();
 }
 
 bool SVGTextPathElement::selfHasRelativeLengths() const
 {
     return m_startOffset->currentValue()->isRelative()
         || SVGTextContentElement::selfHasRelativeLengths();
 }
 
 }