Nothing, but we long crossed that threshold. The browser has largely usurped the operating system itself for end users (with the nasty side effect that you're n

Nothing, but we long crossed that threshold. The browser has largely usurped the operating system itself for end users (with the nasty side effect that you're no longer relying on self-contained desktop applications, but on entire networks of machines even for the most trivial of tasks), and according to Ohloh/Openhub Chromium is almost as big as the Linux kernel, just a million lines short.