As per the spec, you should be able to use simulcast with screenshare. We remove the field trial for it and keep the old behavior only for screenshare sources with conference flag on. Bug: webrtc:8785 Change-Id: I1d6d4e18256fb5cfe0195620706de068f25b8d9b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144785 Commit-Queue: Florent Castelli <orphis@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28543}