Integrated Windows Authentication with Chrome and Firefox

A few days ago, the Powers That Be at my institution rolled out a change to our web authentication scheme. Previously, we were using a proprietary system that somehow played nice with Active Directory. The changed made Active Directory Federation Services play nice with our proprietary system - making ADFS do the real work. Now, we live in the world of Integrated Windows Authentication. I'm all for that, mainly because the proprietary system was a PITA in a lot of cases. This new change makes a lot of thing easier. Plus, now logging onto your workstation logs you into our webapps! Well, not for me. I use a Chrome and Firefox. Well, not yet anyway .... It works great for Safari users on a Mac. However, I use Chrome mostly and Firefox for development testing. How on earth do I tell Chrome what servers are okay to do Microsoft Integrated Login with? I guessed there was a way to configure Chrome and Firefox to do this, and it turns out there is! However...