Baalke wants to make Frank Gore a “49er for life”

49ers running back Frank Gore isn’t happy with his contract.  He’s frustrated regarding the lack of progress on a new deal, and he won’t comment on a PFT report that he could soon request a trade. Coach Jim Harbaugh has dismissed accounts of frustration and a possible trade request as “water-cooler talk.”  Meanwhile, G.M. Trent…