> It implies saving that password on the hard drive, yes. However, any interested attacker, once gaining access to my account, can just as easily install a keylogger and simply wait for me to log in to this site the next time.

Yes, but that is much more work, over a longer period of time, compared to browsing your cookie jar.

By the way, this entire conversation is predicated on a misconception -- Chrome does, in fact, give one plenty of warning about deleting personal information:

http://i.imgur.com/Du84Y4O.png