Remove remaining OILPAN uses from core/events/

third_party/WebKit/Source/core/events/DOMWindowEventQueue.h

 /*
  * Copyright (C) 2010 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #ifndef DOMWindowEventQueue_h
 #define DOMWindowEventQueue_h
 
 #include "core/events/EventQueue.h"
 #include "wtf/HashSet.h"
 #include "wtf/ListHashSet.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/RefCounted.h"
 
 namespace blink {
 
 class Event;
 class DOMWindowEventQueueTimer;
 class ExecutionContext;
 
-#if ENABLE(OILPAN)
-#define DOMWINDOWEVENTQUEUE_BASE_CLASSES public EventQueue
-#else
-#define DOMWINDOWEVENTQUEUE_BASE_CLASSES public RefCounted<DOMWindowEventQueue>, public EventQueue
-#endif
-
-class DOMWindowEventQueue final : DOMWINDOWEVENTQUEUE_BASE_CLASSES {
+class DOMWindowEventQueue final : public EventQueue {
 public:
     static DOMWindowEventQueue* create(ExecutionContext*);
     ~DOMWindowEventQueue() override;
 
     // EventQueue
     DECLARE_VIRTUAL_TRACE();
     bool enqueueEvent(Event*) override;
     bool cancelEvent(Event*) override;
     void close() override;
 
 private:
     explicit DOMWindowEventQueue(ExecutionContext*);
 
     void pendingEventTimerFired();
     void dispatchEvent(Event*);
 
     Member<DOMWindowEventQueueTimer> m_pendingEventTimer;
     HeapListHashSet<Member<Event>, 16> m_queuedEvents;
     bool m_isClosed;
 
     friend class DOMWindowEventQueueTimer;
 };
 
 } // namespace blink
 
 #endif // DOMWindowEventQueue_h