NS_METHOD TimerImpl::Init( nsTimerCallbackFunc aFunc, void *aClosure, PRUint32 aDelay )
NS_METHOD TimerImpl::Init( nsTimerCallbackFunc aFunc, void *aClosure, PRUint32 aDelay, PRUint32 aPriority, PRUint32 aType)
NS_METHOD TimerImpl::Init( nsTimerCallbackFunc aFunc, void *aClosure, PRUint32 aDelay ){  nsresult err;  mFunc = aFunc;  mClosure = aClosure;  err = SetupTimer( aDelay );  return err;}