Earlier quoted context omitted.
Google doesn't allow any code on laptops. Everything is done via web IDEs or ssh into a linux machine. So nobody is using brew to obtain dependencies.
Do you work for Google? I'm just doubting you a little. Like the guy from project zero is finding bugs in Windows via ssh to a Linux machine? Definitely going with Doubt here.
The folks developing Chrome for Windows or iOS apps might have different workflows, but even then they aren't going to be using brew because of Google's third party code policies.