is
Returns true if the web form autofill for the simple input values, credit cards, or the user data is enabled.
By default, the autofill is enabled.
Important: the autofill for the passwords is always enabled except the cases when a site has an invalid SSL certificate or the scheme is not registered as web-safe. The list of web-safe schemes: HTTP, HTTPS, WS, and WSS.
Throws
when the profile is deleted or its engine is closed