Mm. Well, I won't dispute the premise of checking for a failure, guys; obviously, further cross-checking can only help. Mind you, in all the years I've used Chrome, I've never actually known it fail.......and I tend to adhere to the K.I.S.S principle, as far as I possibly can..!!
The only boo-boo I have come across is that, just occasionally, the repo isn't updated with the new version quite as promptly as it perhaps should be, but.....that IS a rarity.
Nowhere can you find a checksum for the Chrome download. At least, I've never been able to find one...
Mike.