Quote:Chrome users who open the Clear Browsing Data prompt of the browser may have noticed a new "you won't be signed out of your Google Account" addendum to the Cookies and other site data clearing option recently.
The change, which seems to have gone live for most users with the release of Chrome 69 to the Stable channel.
Update: Google announced that the cookie clearing logic will include Google cookies again when it releases Chrome 70.
Only users who are signed in to a Google Account when they open the Clear Browsing Data prompt in the browser see the notification. Users who are not signed in won't see it.
Google introduced a new sign-in experience in Chrome 69 for the desktop. Users who sign in to any Google service on the Internet are signed in to Chrome as well. The same is true for users who sign in to Chrome as they are signed in to any Google service on the Internet automatically as well.

Full reading: https://www.ghacks.net/2018/09/25/chromes-clear-browsing-data-exempting-google-cookies/