Need glue for 'RemoveTrackingHandler'

i.e. needs DragManager

UPDATE:  HMMM... We're now getting a SEGV.  It's not clear what changed to
cause this regression

hfsXbar.c:361; trap failure in `PBHOpen': -43
interfacelib.c:2674; trace info in `HOpen': retval = -43, filename = 'AdobeFnt.lst'
interfacelib.c:808; trace info in `NewPtr_wrapper': 0x3011ea50
interfacelib.c:808; trace info in `NewPtr_wrapper': 0x3011f3f4

Program received signal SIGSEGV, Segmentation fault.
0x3166cbf8 in ?? ()
(gdb) x/i $pc
0x3166cbf8:	stb	r5,0(r6)
(gdb) p/x $r6
$12 = 0x80000000