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

Source/core/events/DOMWindowEventQueue.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 44 matching lines @@
     : m_pendingEventTimer(adoptPtr(new DOMWindowEventQueueTimer(this, context)))
     , m_isClosed(false)
 {
     m_pendingEventTimer->suspendIfNeeded();
 }
 
 DOMWindowEventQueue::~DOMWindowEventQueue()
 {
 }
 
-bool DOMWindowEventQueue::enqueueEvent(PassRefPtr<Event> event)
+bool DOMWindowEventQueue::enqueueEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     if (m_isClosed)
         return false;
 
     ASSERT(event->target());
     bool wasAdded = m_queuedEvents.add(event).isNewEntry;
     ASSERT_UNUSED(wasAdded, wasAdded); // It should not have already been in the list.
 
     if (!m_pendingEventTimer->isActive())
         m_pendingEventTimer->startOneShot(0, FROM_HERE);
 
     return true;
 }
 
 bool DOMWindowEventQueue::cancelEvent(Event* event)
 {
-    ListHashSet<RefPtr<Event>, 16>::iterator it = m_queuedEvents.find(event);
+    ListHashSet<RefPtrWillBePersistent<Event>, 16>::iterator it = m_queuedEvents.find(event);
     bool found = it != m_queuedEvents.end();
     if (found)
         m_queuedEvents.remove(it);
     if (m_queuedEvents.isEmpty())
         m_pendingEventTimer->stop();
     return found;
 }
 
 void DOMWindowEventQueue::close()
 {
     m_isClosed = true;
     m_pendingEventTimer->stop();
     m_queuedEvents.clear();
 }
 
 void DOMWindowEventQueue::pendingEventTimerFired()
 {
     ASSERT(!m_pendingEventTimer->isActive());
     ASSERT(!m_queuedEvents.isEmpty());
 
     // Insert a marker for where we should stop.
     ASSERT(!m_queuedEvents.contains(nullptr));
     bool wasAdded = m_queuedEvents.add(nullptr).isNewEntry;
     ASSERT_UNUSED(wasAdded, wasAdded); // It should not have already been in the list.
 
     RefPtr<DOMWindowEventQueue> protector(this);
 
     while (!m_queuedEvents.isEmpty()) {
-        ListHashSet<RefPtr<Event>, 16>::iterator iter = m_queuedEvents.begin();
-        RefPtr<Event> event = *iter;
+        ListHashSet<RefPtrWillBePersistent<Event>, 16>::iterator iter = m_queuedEvents.begin();
+        RefPtrWillBeRawPtr<Event> event = *iter;
         m_queuedEvents.remove(iter);
         if (!event)
             break;
         dispatchEvent(event.get());
     }
 }
 
-void DOMWindowEventQueue::dispatchEvent(PassRefPtr<Event> event)
+void DOMWindowEventQueue::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     EventTarget* eventTarget = event->target();
     if (eventTarget->toDOMWindow())
         eventTarget->toDOMWindow()->dispatchEvent(event, nullptr);
     else
         eventTarget->dispatchEvent(event);
 }
 
 }