Earlier quoted context omitted.
I'm not using Keychain, though, but 1Password...
Safari doesn't really "support" 1Password. They had to hack their way. Ask the 1Password guy when he'll support Chrome. Lastpass is already there: http://blog.lastpass.com/2009/10/lastpass-for-google-chrome-... . Though it crashes instantly for me.
I already have (asked them) :-P