if (nsnull != mInstanceOwner) mInstanceOwner->CancelTimer();
if (nsnull != mInstanceOwner) { mInstanceOwner->Destroy(); }
nsObjectFrame::~nsObjectFrame(){  // beard: stop the timer explicitly to reduce reference count.  if (nsnull != mInstanceOwner)    mInstanceOwner->CancelTimer();  NS_IF_RELEASE(mWidget);  NS_IF_RELEASE(mInstanceOwner);  NS_IF_RELEASE(mFullURL);}