include RefCounted.h where needed, only.

third_party/WebKit/Source/core/svg/SVGUnitTypes.h

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * 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 SVGUnitTypes_h
 #define SVGUnitTypes_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/svg/SVGEnumeration.h"
 #include "platform/heap/Handle.h"
-#include "wtf/RefCounted.h"
 
 namespace blink {
 
 class SVGUnitTypes final : public GarbageCollected<SVGUnitTypes>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum SVGUnitType {
         SVG_UNIT_TYPE_UNKNOWN               = 0,
         SVG_UNIT_TYPE_USERSPACEONUSE        = 1,
         SVG_UNIT_TYPE_OBJECTBOUNDINGBOX     = 2
     };
 
     DEFINE_INLINE_TRACE() { }
 
 private:
     SVGUnitTypes(); // No instantiation.
 };
 
 template<> const SVGEnumerationStringEntries& getStaticStringEntries<SVGUnitTypes::SVGUnitType>();
 
 } // namespace blink
 
 #endif // SVGUnitTypes_h