include RefCounted.h where needed, only.

third_party/WebKit/Source/core/animation/AnimationEffect.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef AnimationEffect_h
 #define AnimationEffect_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/animation/Timing.h"
 #include "platform/heap/Handle.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/RefCounted.h"
 
 namespace blink {
 
 class Animation;
 class AnimationEffect;
 class AnimationEffectTiming;
 class ComputedTimingProperties;
 
 enum TimingUpdateReason {
     TimingUpdateOnDemand,
@@ skipping 108 matching lines @@
     mutable bool m_needsUpdate;
     mutable double m_lastUpdateTime;
     String m_name;
 
     const CalculatedTiming& ensureCalculated() const;
 };
 
 } // namespace blink
 
 #endif // AnimationEffect_h