Do a google search for spray on chrome. Here's one I found.
http://www.sprayonchrome.com/ Not sure where you live, but the bigger cities should have someone doing this. Maybe a hydro graphics shop can point you in the right direction. The spray can chrome from the hardware store looks like spray can chrome from the hardware store. Stay away from it. Here's my google search results.
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=spray%20on%20chrome