Remove temporary cruft for Chrome roll.

Source/WebCore/Modules/indexeddb/IDBRequest.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 84 matching lines @@
     virtual void onSuccessWithPrefetch(const Vector<RefPtr<IDBKey> >&, const Vector<RefPtr<IDBKey> >&, const Vector<RefPtr<SerializedScriptValue> >&) { ASSERT_NOT_REACHED(); } // Not implemented. Callback should not reach the renderer side.
 
     // ActiveDOMObject
     virtual bool hasPendingActivity() const OVERRIDE;
     virtual void stop() OVERRIDE;
 
     // EventTarget
     virtual const AtomicString& interfaceName() const;
     virtual ScriptExecutionContext* scriptExecutionContext() const;
     virtual bool dispatchEvent(PassRefPtr<Event>);
-    // FIXME(antonm): get rid of this.
     bool dispatchEvent(PassRefPtr<Event> event, ExceptionCode& ec) { return EventTarget::dispatchEvent(event, ec); }
     virtual void uncaughtExceptionInEventHandler();
 
     void transactionDidFinishAndDispatch();
 
     using ThreadSafeRefCounted<IDBCallbacks>::ref;
     using ThreadSafeRefCounted<IDBCallbacks>::deref;
 
     IDBTransactionBackendInterface::TaskType taskType() { return m_taskType; }
 
@@ skipping 40 matching lines @@
     bool m_preventPropagation;
 
     EventTargetData m_eventTargetData;
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(INDEXED_DATABASE)
 
 #endif // IDBRequest_h