Fix TraceMonkey Sandbox-returned object prototype bug workaround hack for JS completion of indirectly accessed properties.
Fix TraceMonkey Sandbox-returned object prototype bug workaround hack for JS completion of indirectly accessed properties.

invl/dactyl,5digits/dactyl,airodactyl/dactyl,airodactyl/dactyl,madand/pentadactyl-pm,moonshadow/dactyl,Kjwon15/dactyl,5digits/dactyl,madand/pentadactyl-pm,5digits/dactyl,airodactyl/dactyl,nathyong/dactyl,airodactyl/dactyl,5digits/dactyl,airodactyl/dactyl,madand/pentadactyl-pm,moonshadow/dactyl,moonshadow/dactyl,madand/pentadactyl-pm,nathyong/dactyl,nathyong/dactyl,5digits/dactyl,nathyong/dactyl,moonshadow/dactyl,nathyong/dactyl,invl/dactyl,Kjwon15/dactyl,invl/dactyl,5digits/dactyl,madand/pentadactyl-pm,invl/dactyl,Kjwon15/dactyl,Kjwon15/dactyl,airodactyl/dactyl,Kjwon15/dactyl,Kjwon15/dactyl,invl/dactyl,moonshadow/dactyl,moonshadow/dactyl,invl/dactyl,nathyong/dactyl,madand/pentadactyl-pm