I've looked for any hint in the PDF guides and searched for a web configuration parameter in designer, but have found nothing. Chrome (currently the leading browser platform) does not support site-specific autofill settings, so the user either turns it completely off or has the annonying behavior for sites, where it does not make a sense, in our case in CRM.
My current workaround:
define new user (profile) for Chrome and create a shortcut for that instance
open the secondary instance with the new user profile
turn off autofill completely
wrap the IFRAME contents into forms with autocomplete=off attribute
decorate all the input elements with autocomplete=off attribute
any other ideas? I wouldn't like the idea to decorate the input elements by jQuery on some onload event or apply core hacks as third-party
I guess, a solution for this problem would be rather a nice to have in the future, but you might find an opportunity for such improvements as well...