[oilpan] Make the oilpan branch build on Mac.

Source/core/svg/SVGTRefElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2011. 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 71 matching lines @@
     virtual void handleEvent(ScriptExecutionContext*, Event*) OVERRIDE;
     virtual bool operator==(const EventListener&) OVERRIDE;
 
     SVGTRefElement* m_trefElement;
     Persistent<Element> m_target;
 };
 
 SVGTRefTargetEventListener::SVGTRefTargetEventListener(SVGTRefElement* trefElement)
     : EventListener(SVGTRefTargetEventListenerType)
     , m_trefElement(trefElement)
-    , m_target(0)
 {
     ASSERT(m_trefElement);
 }
 
 void SVGTRefTargetEventListener::attach(const Handle<Element>& target)
 {
     ASSERT(!isAttached());
     ASSERT(target.raw());
     ASSERT(target->inDocument());
 
@@ skipping 189 matching lines @@
 void SVGTRefElement::removedFrom(const Handle<ContainerNode>& rootParent)
 {
     SVGStyledElement::removedFrom(rootParent);
     if (rootParent->inDocument())
         m_targetListener->detach();
 }
 
 }
 
 #endif // ENABLE(SVG)