Thanks, but what I'm really trying to ask here is what a vanilla Chrome installation does. If someone just installs Chrome, leaves all settings as defaults, and

Thanks, but what I'm really trying to ask here is what a vanilla Chrome installation does. If someone just installs Chrome, leaves all settings as defaults, and doesn't opt in to anything, what data is being sent back to the mothership? I've never managed to find a convincing answer to that question.