Remove QualifiedName::hasOneRef

Source/core/dom/QualifiedName.h

 /*
  * Copyright (C) 2005, 2006, 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 37 matching lines @@
     public:
         static PassRefPtr<QualifiedNameImpl> create(const AtomicString& prefix, const AtomicString& localName, const AtomicString& namespaceURI, bool isStatic)
         {
             return adoptRef(new QualifiedNameImpl(prefix, localName, namespaceURI, isStatic));
         }
 
         ~QualifiedNameImpl();
 
         unsigned computeHash() const;
 
-        bool hasOneRef() const
-        {
-            return m_isStatic || RefCounted<QualifiedNameImpl>::hasOneRef();
-        }
-
         void ref()
         {
             if (m_isStatic)
                 return;
             RefCounted<QualifiedNameImpl>::ref();
         }
 
         void deref()
         {
             if (m_isStatic)
@@ skipping 109 matching lines @@
         typedef blink::QualifiedNameHash Hash;
     };
 
     template<> struct HashTraits<blink::QualifiedName> : SimpleClassHashTraits<blink::QualifiedName> {
         static const bool emptyValueIsZero = false;
         static blink::QualifiedName emptyValue() { return blink::QualifiedName::null(); }
     };
 }
 
 #endif