First I don't believe this is an effective remedy to break up a Google monopoly, but I have no influence on the DOJ. I'm curious though, if Google can no longer pay browsers for search engine traffic what is the business model that will sustain development and advancement in the space? How does a non Google owned Chrome support itself and continue development? What happens to all the applications that rely on Chrome…
So what will sustain the development of browsers like Chrome or Firefox? Well that's the big question... Maybe they will downsize and become a non-profit similar to the Linux Foundation, and receive funding similar to how they do? I can see this have the affect of greatly slowing down the development of various web standards, but would that be such a bad thing?