Well, you can't chrome rubber or anything that'll flex, but you can
chrome plate hard plastic. I imagine you'd have to completely disassemble the pieces though, and I'm not sure how easy that is or if it's even possible. I could see it looking good with matching wheels on black, albeit not a look I would rock personally.
I'd love to see it in black chrome

Or maybe a good mix of black and chrome, like on the Armada:
You can be assured the mirror covers and door handles there aren't metal. If you're looking at chrome pieces on the car, you may consider things like the door handles too.