Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/core/workers/WorkerEventQueue.cpp

 /*
  * 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 33 matching lines @@
 {
 }
 
 WorkerEventQueue::~WorkerEventQueue()
 {
     close();
 }
 
 class WorkerEventQueue::EventDispatcherTask : public ExecutionContextTask {
 public:
-    static PassOwnPtr<EventDispatcherTask> create(PassRefPtr<Event> event, WorkerEventQueue* eventQueue)
+    static PassOwnPtr<EventDispatcherTask> create(PassRefPtrWillBeRawPtr<Event> event, WorkerEventQueue* eventQueue)
     {
         return adoptPtr(new EventDispatcherTask(event, eventQueue));
     }
 
     virtual ~EventDispatcherTask()
     {
         if (m_event)
             m_eventQueue->removeEvent(m_event.get());
     }
 
-    void dispatchEvent(ExecutionContext*, PassRefPtr<Event> event)
+    void dispatchEvent(ExecutionContext*, PassRefPtrWillBeRawPtr<Event> event)
     {
         event->target()->dispatchEvent(event);
     }
 
     virtual void performTask(ExecutionContext* context)
     {
         if (m_isCancelled)
             return;
         m_eventQueue->removeEvent(m_event.get());
         dispatchEvent(context, m_event);
         m_event.clear();
     }
 
     void cancel()
     {
         m_isCancelled = true;
         m_event.clear();
     }
 
 private:
-    EventDispatcherTask(PassRefPtr<Event> event, WorkerEventQueue* eventQueue)
+    EventDispatcherTask(PassRefPtrWillBeRawPtr<Event> event, WorkerEventQueue* eventQueue)
         : m_event(event)
         , m_eventQueue(eventQueue)
         , m_isCancelled(false)
     {
     }
 
-    RefPtr<Event> m_event;
+    RefPtrWillBeRawPtr<Event> m_event;
     WorkerEventQueue* m_eventQueue;
     bool m_isCancelled;
 };
 
 void WorkerEventQueue::removeEvent(Event* event)
 {
     m_eventTaskMap.remove(event);
 }
 
-bool WorkerEventQueue::enqueueEvent(PassRefPtr<Event> prpEvent)
+bool WorkerEventQueue::enqueueEvent(PassRefPtrWillBeRawPtr<Event> prpEvent)
 {
     if (m_isClosed)
         return false;
-    RefPtr<Event> event = prpEvent;
+    RefPtrWillBeRawPtr<Event> event = prpEvent;
     OwnPtr<EventDispatcherTask> task = EventDispatcherTask::create(event, this);
     m_eventTaskMap.add(event.release(), task.get());
     m_executionContext->postTask(task.release());
     return true;
 }
 
 bool WorkerEventQueue::cancelEvent(Event* event)
 {
     EventDispatcherTask* task = m_eventTaskMap.get(event);
     if (!task)
         return false;
     task->cancel();
     removeEvent(event);
     return true;
 }
 
 void WorkerEventQueue::close()
 {
     m_isClosed = true;
     for (EventTaskMap::iterator it = m_eventTaskMap.begin(); it != m_eventTaskMap.end(); ++it) {
         EventDispatcherTask* task = it->value;
         task->cancel();
     }
     m_eventTaskMap.clear();
 }
 
 }