How to get an Ext JS Login Form that is browser autocomplete compatible?

When you login in lot of web sites, you are often asked by the browser if you want it to remember the login/password, well I want to do the same and still be using Ext JS.

I tried many things, it's pretty hard.

This is a challenge! Are you up to it?

By the way, people using Angular are also having problems with this...http://ift.tt/1tLtApl

How to get an Ext JS Login Form that is browser autocomplete compatible?