Merge DOMSettableTokensList into DOMTokensList

third_party/WebKit/Source/core/html/RelList.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/RelList.h"
 
 #include "core/dom/Document.h"
 #include "wtf/HashMap.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 
-RelList::RelList(Element* element) : m_element(element) { }
-
-#if !ENABLE(OILPAN)
-void RelList::ref()
-{
-    m_element->ref();
-}
-
-void RelList::deref()
-{
-    m_element->deref();
-}
-#endif
+RelList::RelList(Element* element) : DOMTokenList(nullptr), m_element(element) { }
 
 unsigned RelList::length() const
 {
     return !m_element->fastGetAttribute(relAttr).isEmpty() ? m_relValues.size() : 0;
 }
 
 const AtomicString RelList::item(unsigned index) const
 {
     if (index >= length())
         return AtomicString();
@@ skipping 37 matching lines @@
     return supportedTokens().contains(tokenValue);
 }
 
 DEFINE_TRACE(RelList)
 {
     visitor->trace(m_element);
     DOMTokenList::trace(visitor);
 }
 
 } // namespace blink