SINGSIGN_HaveData(const char *passwordRealm, const PRUnichar *userName, PRBool *retval)
SINGSIGN_HaveData(nsIPrompt* dialog, const char *passwordRealm, const PRUnichar *userName, PRBool *retval)
SINGSIGN_HaveData(const char *passwordRealm, const PRUnichar *userName, PRBool *retval){  nsAutoString data, usernameForLookup;  *retval = PR_FALSE;  if (!si_GetSignonRememberingPref()) {    return NS_OK;  }  /* get previous data used with this username, pick first user if no username found */  si_RestoreOldSignonDataFromBrowser(passwordRealm, (usernameForLookup.Length() == 0), usernameForLookup, data);  if (data.Length()) {    *retval = PR_TRUE;  }  return NS_OK;}