My guess is the same, Omar and Thome both could get on the team. We've been seeing the columns about how Torre could take 4 SS and no backup 2B; in that case, Omar probably would be one of the 4 SS. I'd guess that the Tribe holds Omar off the DL until the All-Star roster is announced; and Omar could bow out after he's named, if his shoulder is still sore.
In any case, Thome is having such a big season, it would be a shame if he's squeezed out... but then there are always a few.