If her surname is anything to go by she's probably only partially Asian. And anyways, her body type wasn't really to say "hey, we can make realistic Asians!", it was more "if your job is running like crazy you're probably going to be really lean and wear actually clothes".
no subject
http://multiplayerblog.mtv.com/2008/11/25/mirrors-edge-producer-depressed-by-sexy-fan-verision-of-faith/ <- Relevant