Link:
http://www.techspot.com/news/32979-Mozilla-and-Google-Its-complicated.html

It’s a known fact that Mozilla is dependent on Google for the vast majority of its revenue and recently the company secured an extension for its search advertising deal through 2011. Apparently, however, things have become “complicated” between the two ever since the release of Chrome back in September.

[snipplet added by hebbet]

Tech Spot is pointing to the original Computer World article, including Lilly's interview.

I'm sure that even if Google will stop giving Firefox money, its users and developers will still keep it alive.