UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

Steps to reproduce the problem:
What steps will reproduce the problem?
(1)Log in to any site
(2)use it most number of times and make is the most visited URL on your computer
(3)The thumbnail appears with the logged in information - like your name, details on the page. Suppose if its your email - the screenshot/thumbnail will show the emails when enlarged.

What is the expected behavior?
Thumbnails should not capture sensitive info - the information that appears after logging in.

What went wrong?
What steps will reproduce the problem?
(1)Log in to any site
(2)use it most number of times and make is the most visited URL on your computer
(3)The thumbnail appears with the logged in information - like your name, details on the page. Suppose if its your email - the screenshot/thumbnail will show the emails when enlarged.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 65.0.3325.181  Channel: stable
OS Version: 10.0
Flash Version: