[RR]

[ QUOTE ]
who don't know that the other player would have won since he folded face down)

[/ QUOTE ]

Since he was the caller I would speculate that he would have won since he was the caller. If he had been the bettor and threw his cards in the muck I would not have awarded the pot to him because there is a decent probability that he was on a busted draw that the naked ace could beat.