include RefCounted.h where needed, only.

third_party/WebKit/Source/core/testing/GCObservation.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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef GCObservation_h
 #define GCObservation_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+
 #include <v8.h>
 
 namespace blink {
 
 class GCObservation final : public GarbageCollectedFinalized<GCObservation>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static GCObservation* create(v8::Local<v8::Value> observedValue)
     {
         return new GCObservation(observedValue);
@@ skipping 11 matching lines @@
 private:
     explicit GCObservation(v8::Local<v8::Value>);
 
     ScopedPersistent<v8::Value> m_observed;
     bool m_collected;
 };
 
 } // namespace blink
 
 #endif // GCObservation_h