Remove unnecessary includes from dom.

third_party/WebKit/Source/core/dom/NamedNodeMap.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2010, 2013 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef NamedNodeMap_h
 #define NamedNodeMap_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/Element.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/PassRefPtr.h"
 #include "wtf/text/AtomicString.h"
 
 namespace blink {
 
 class Attr;
 class ExceptionState;
 
 class NamedNodeMap final : public GarbageCollected<NamedNodeMap>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
     friend class Element;
@@ skipping 33 matching lines @@
         // Only supports NamedNodeMaps with Element associated.
         ASSERT(m_element);
     }
 
     Member<Element> m_element;
 };
 
 } // namespace blink
 
 #endif // NamedNodeMap_h