Yes, seems like it’s pretty much a technical restatement of how "signing into google"=="signing into chrome" works. It is interesting to see it in this light,

Yes, seems like it’s pretty much a technical restatement of how "signing into google"=="signing into chrome" works. It is interesting to see it in this light, however. It’s easier to justify through UI (“It’s just one Google service logging in to another”) than it is when you look at it in a technical or historical light, of what being a browser used to mean.