return rv;
return NS_OK;
NS_IMETHODIMP nsProfile::MigrateAllProfiles(){    nsresult rv = NS_OK;    for (PRInt32 i=0; i < gProfileDataAccess->mNumOldProfiles; i++)    {        ProfileStruct* profileItem = (ProfileStruct *)                                     (gProfileDataAccess->m4xProfiles->ElementAt(i));        rv = MigrateProfile(profileItem->profileName.GetUnicode(),                             PR_FALSE /* don't show progress as modal window */);        if (NS_FAILED(rv)) return rv;    }    return rv;}