It was not used by any class and all future uses can use the VideoSourceRestrictionsListener. Bug: webrtc:11834 Change-Id: I5c71b93cc503f458dce0ccdd78b91b5a1debc56d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/181062 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@google.com> Cr-Commit-Position: refs/heads/master@{#31896}