Revert 8809 "Set WebRtcVideoEngine2 as the WebRtcMediaEngine." content_browsertests started failing around the time the change landed and rolls are failing now. I'm going to try rolling this back, start a roll, and then re-land.
Revert 8809 "Set WebRtcVideoEngine2 as the WebRtcMediaEngine."
content_browsertests started failing around the time the change landed and rolls are failing now.
I'm going to try rolling this back, start a roll, and then re-land.

> Set WebRtcVideoEngine2 as the WebRtcMediaEngine.
> 
> Removes the experiment launching WebRTC-NewVideoAPI. This field trial
> has shown no major regressions on Chrome Canary/Dev that haven't been
> addressed, so enabling it in time before feature freeze.
> 
> BUG=1788
> R=mflodman@webrtc.org
> 
> Review URL: https://webrtc-codereview.appspot.com/44759004

TBR=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/43889004

Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#8816}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 0c3400168acc70365beb3f1d6e78fa3707d51c65

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