Refactor it one more time to partly roll back previous change and unify
approach between capturer and renderer. Now we will be able to add single
screen shower listener to display video during the test on the screen.
Bug: webrtc:10138
Change-Id: Ib19117b0943e7c6dfc14630faca1f0e4ee2d038f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151649
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29093}
19f9c2a057