Different use case. Those are containers, which have a similar color… But in Chrome, everything is in one container, the colored tabs are just grouped together and those groups can be collapsed to save horizontal space in the tab bar.
We were talking about the definition of privacy, and I was giving an example to bolster my definition of it. We can switch to a different topic if you want, but first I want to cement this definition.
For example, privacy settings on Facebook are available to all registered users: they can block certain individuals from seeing their profile, they can choose their “friends”, and they can limit who has access to their pictures and videos.