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

Source/modules/indexeddb/IDBTransaction.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
@@ skipping 80 matching lines @@
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
 
     void onAbort(PassRefPtrWillBeRawPtr<DOMError>);
     void onComplete();
 
     // EventTarget
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     using EventTarget::dispatchEvent;
-    virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE;
+    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE;
 
     // ActiveDOMObject
     virtual bool hasPendingActivity() const OVERRIDE;
     virtual void stop() OVERRIDE;
 
 private:
     IDBTransaction(ExecutionContext*, int64_t, const Vector<String>&, blink::WebIDBDatabase::TransactionMode, IDBDatabase*, IDBOpenDBRequest*, const IDBDatabaseMetadata&);
 
-    void enqueueEvent(PassRefPtr<Event>);
+    void enqueueEvent(PassRefPtrWillBeRawPtr<Event>);
 
     enum State {
         Inactive, // Created or started, but not in an event callback
         Active, // Created or started, in creation scope or an event callback
         Finishing, // In the process of aborting or completing.
         Finished, // No more events will fire and no new requests may be filed.
     };
 
     int64_t m_id;
     RefPtr<IDBDatabase> m_database;
@@ skipping 14 matching lines @@
     IDBObjectStoreSet m_deletedObjectStores;
 
     typedef HashMap<RefPtr<IDBObjectStore>, IDBObjectStoreMetadata> IDBObjectStoreMetadataMap;
     IDBObjectStoreMetadataMap m_objectStoreCleanupMap;
     IDBDatabaseMetadata m_previousMetadata;
 };
 
 } // namespace WebCore
 
 #endif // IDBTransaction_h