Chrome Version       : 64.0.3241.0

What steps will reproduce the problem?
1. go to facebook.com
2. enter name, email, and generate a password (don't click on "create account")
3. click password icon in omnibox, notice that the email address & password is captured
4. go to chrome://settings/passwords

What is the expected result?

in 4) email address and password should be captured

What happens instead of that?

just the password is stored

Please provide any additional information below. Attach a screenshot if
possible.

UserAgentString: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3241.0 Safari/537.36