If you accidentally clicked to Save Passwords on a shared device, here are the steps to disable that setting.
Go to Chrome Menu (three bars) in Chrome Browser and select Settings.
Scroll to bottom of Settings page and select Show advanced settings…..
In the Passwords and Forms section, select Manage passwords.
On this page, you will be able to choose passwords you wish to delete from Chrome. Hover over the one(s) you wish to delete, an X will appear at the right of the line. Click the X and then Done.
Also, when you hover over a site in this box, you can also select “show” and your password will appear.