Oilpan: Allocate all EventTarget derived types on the manged heap.

Source/modules/indexeddb/IDBTransaction.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 96 matching lines @@
 
 void IDBTransaction::trace(Visitor* visitor)
 {
     visitor->trace(m_database);
     visitor->trace(m_openDBRequest);
     visitor->trace(m_error);
     visitor->trace(m_requestList);
     visitor->trace(m_objectStoreMap);
     visitor->trace(m_deletedObjectStores);
     visitor->trace(m_objectStoreCleanupMap);
+    EventTargetWithInlineData::trace(visitor);
 }
 
 const String& IDBTransaction::mode() const
 {
     return modeToString(m_mode);
 }
 
 void IDBTransaction::setError(PassRefPtrWillBeRawPtr<DOMError> error)
 {
     ASSERT(m_state != Finished);
@@ skipping 271 matching lines @@
     event->setTarget(this);
     eventQueue->enqueueEvent(event);
 }
 
 blink::WebIDBDatabase* IDBTransaction::backendDB() const
 {
     return m_database->backend();
 }
 
 } // namespace WebCore