At least in the short term they probably would. Why not take the basically free money? Longer term, yeah they'll probably just make their own search engine. I

At least in the short term they probably would. Why not take the basically free money? Longer term, yeah they'll probably just make their own search engine. I highly doubt Google would give Mozilla anything. The only reason I think they would would be to appease Chrome monopoly concerns, but I don't think Chrome is even at risk of that. It's not the default browser on any platform other than ChromeOS and some Android devices.