UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3330.0 Safari/537.36

Steps to reproduce the problem:
1. Settings > Content settings > Sound
2. Set to "Mute sites that play sound"
3. Try to use the browser

What is the expected behavior?
When sound is enabled globally (the default), we only see "This site is playing audio" when a site is actually playing audio. I would expect the same thing here — only sites that currently have some audio to play should be shown as actively muted.

What went wrong?
"This tab's audio is being muted" appears on EVERY tab. It also appears as a 🔇 in the window title (in the Window menu and in Mission Control).

This is weird for several reasons:

- It's noisy, so to speak. If I disable cookies, images, or javascript, then the disabled icon only appears on pages which actually tried to use those features. And it only appears in the omnibox, which is only visible when the tab is focused.

- It implies that some audio is being actively muted, when it's not.

- It appears on pages like Settings and History, which don't expose site settings under the page info button at all.

Did this work before? N/A 

Chrome version: 66.0.3330.0  Channel: canary
OS Version: OS X 10.13.2
Flash Version: Shockwave Flash 28.0 r0
 

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