Google chrom security & protection

I was very curious to know how this new browser will handle challenges related to malware attack. Impressd with its sendboxing cpability that take advantage of its Multi process based model that creats a jail for one tab. not allowd creat a file just like java applets. Blocks communication between two tabs . Still Plugin can Do there jobs & screw ur system as they can/t be sendboxd.
Google chromes uses its own cloud to identified malicious sits.
I wish it could have XSS Filter also . any way its an open source & provide its gear api to build something similar for devlopers.