UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36

Example URL:
e.g. https://apprtc.appspot.com

Steps to reproduce the problem:
1. go to e.g. https://apprtc.appspot.com
2. start a video call and observe CPU load
3. 

What is the expected behavior?
CPU load should rise moderately

What went wrong?
On a webRTC video call, CPU load rises about 30% as soon as the connection is established. The CPU load for a video call used to be much lower than this.

Did this work before? Yes On older Chrome releases, up to M52 I think

Is it a problem with Flash or HTML5? HTML5

Does this work in other browsers? N/A 

Chrome version: 53.0.2785.143  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 23.0 r0