According to that article, Googlebot is "based on Chromium 41", it doesn't actually use Chromium 41 directly, it's still a distinct, separately developed browse

According to that article, Googlebot is "based on Chromium 41", it doesn't actually use Chromium 41 directly, it's still a distinct, separately developed browser. The warning you're seeing is a) probably shown based on UA, and Googlebot has a very different UA to the Chromium browser b) warning users who will need to browse/actively use the site. Googlebot simply parses content, so has no use for quite a lot of the active functionality on the site. As such, it will generally not need to support all of the features used by that active functionality, just barely enough to be able to read content.