UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3331.0 Safari/537.36

Steps to reproduce the problem:
1. Open chrome://settings, right-click the tab, and click "Pin tab".
2. Open https://www.google.com, right-click the tab, and click "Pin tab".
3. Open chrome://settings/content/sound and set sound to be blocked.
4. Look at the tab strip in the browser chrome.

What is the expected behavior?
The favicons of the pinned tabs are not replaced by a mute icon.

What went wrong?
The favicons of all of the pinned tabs are replaced by the mute icon. 

Did this work before? N/A 

Chrome version: 66.0.3331.0  Channel: canary
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

Attached is a screenshot of Chrome when sound is allowed (which is the default setting) and a screenshot of Chrome when sound is blocked.
 

Deleted: Sound Allowed.PNG 63.2 KB

	Sound Allowed.PNG 63.2 KB View Download

Deleted: Sound Blocked.PNG 61.3 KB

	Sound Blocked.PNG 61.3 KB View Download