Oilpan: Remove ref counting from EventTarget and all uses of Pass/RefPtr<EventTarget>.

Source/modules/indexeddb/IDBRequest.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
@@ skipping 418 matching lines @@
     ASSERT(m_hasPendingActivity);
     ASSERT(m_enqueuedEvents.size());
     ASSERT(event->target() == this);
 
     ScriptState::Scope scope(m_scriptState.get());
 
     if (event->type() != EventTypeNames::blocked)
         m_readyState = DONE;
     dequeueEvent(event.get());
 
-    Vector<RefPtr<EventTarget> > targets;
+    WillBeHeapVector<RefPtrWillBeMember<EventTarget> > targets;
     targets.append(this);
     if (m_transaction && !m_preventPropagation) {
         targets.append(m_transaction);
         // If there ever are events that are associated with a database but
         // that do not have a transaction, then this will not work and we need
         // this object to actually hold a reference to the database (to ensure
         // it stays alive).
         targets.append(m_transaction->db());
     }
 
@@ skipping 90 matching lines @@
 
 void IDBRequest::dequeueEvent(Event* event)
 {
     for (size_t i = 0; i < m_enqueuedEvents.size(); ++i) {
         if (m_enqueuedEvents[i].get() == event)
             m_enqueuedEvents.remove(i);
     }
 }
 
 } // namespace WebCore