Allow throttling of background tabs that have media elements with no audible audio. We currently take an media assertion from the PageThrottler as soon as there is a media element playing on the page. This prevents throttling of background tabs even if those media elements have no audible audio, which is unfortunate.
Created attachment 291523 [details]
Created attachment 291525 [details]
Comment on attachment 291525 [details]
Clearing flags on attachment: 291525
Committed r207338: <http://trac.webkit.org/changeset/207338>
All reviewed patches have been landed. Closing bug.