Chrome Version: (copy from chrome://version)
OS: (e.g. Win10, MacOS 10.12, etc...)

What steps will reproduce the problem?
1. Install and launch Chrome 67.0.3393.4 or above 
2. Click on Chrome profile icon on top right side of the screen --> Manage people --> on the dialog click on Add person
3. From profile 1 navigate to chrome://settings/content/notifications?search=notifications and block notifications.
4. From profile 2 navigate to https://tests.peter.sh/notification-generator/, click the "Display the notification" button at the bottom. If you are asked to give permission to display notification, just give it. This should be a one-time thing.
5. Click on "Display the notification" for 4-5 to get 5 notifications
6. Notification should display at the bottom right of the screen.(with a pinky drunken cat icon in it.)
7. Exit Chrome and uninstall Chrome from control panel.

What is the expected result?
When Chrome is uninstalled related notifications should be cleared from Windows action center.

What happens instead?
All Chrome notifications are still visible in Windows notifications center.