To manage your saved passwords or to change how chrome offers to remember, or auto fills in your passwords, first click the three parallel bars on the top right of your web browser. Then select Settings.
At the bottom of the settings page select "Show advanced settings..."
Now scroll down to the Passwords and forms section. From here you can enable/disable autofill of webforms and passwords or edit your autofill by selecting Manage Autofill Settings/passwords.