@johnnydecimal @EshuMarneedi @marcoarment That the popup is nicely positioned under the buttons is no coincidence, they integrated it that way.
It's also not new at all, reddit has used this for years.

One thing that is new (but not shown here) is that chrome can display it as part of trusted browser ui without 3rd party cookies. It seems bad but it's a proposed standard and not limited to google, firefox is working on it https://chromestatus.com/feature/6438627087220736