All you have to do is change a setting to unlock the new profile management systemno extensions needed.
The new user manager comes with this feature built-in.
snag the “Relaunch Now” button at the bottom of your net online gate to apply changes.
You will see a drop-down button with your Google account name, next to your Minimize button.
Click this and snag the lock icon when you want to password-protect your Chrome internet tool.
The password is the same one used for your Google account.
The protection stays active even after restarting Chrome as well as after rebooting Windows.
How To Lock Google Chrome| I Love Free Software