Slim includes in CSSValue.h

third_party/WebKit/Source/core/css/CSSValueList.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 CSSValueList_h
 #define CSSValueList_h
 
 #include "core/CoreExport.h"
 #include "core/css/CSSValue.h"
-#include "wtf/PassRefPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class CORE_EXPORT CSSValueList : public CSSValue {
     WTF_MAKE_NONCOPYABLE(CSSValueList);
 public:
     using iterator = HeapVector<Member<const CSSValue>, 4>::iterator;
     using const_iterator = HeapVector<Member<const CSSValue>, 4>::const_iterator;
 
@@ skipping 37 matching lines @@
     explicit CSSValueList(ValueListSeparator);
 
     HeapVector<Member<const CSSValue>, 4> m_values;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSValueList, isValueList());
 
 } // namespace blink
 
 #endif // CSSValueList_h