Hangouts in a background tab uses 50% cpu in renderer and 20% in browser.

This is a Hangout with 4 other people. See attached trace and task manager screenshot.

This seems really high for something in a background tab. 

nduca, assigning to you because I'm not quite sure how to route this.
 

Deleted: Screen Shot 2016-10-13 at 9.55.50 AM.png 143 KB

	Screen Shot 2016-10-13 at 9.55.50 AM.png 143 KB View Download

Deleted: trace_hangouts-in-background-tab.json.gz 3.6 MB

trace_hangouts-in-background-tab.json.gz 3.6 MB Download