This was a companion method to ReceivedDecodedReferenceFrame, deleted in https://webrtc-review.googlesource.com/c/src/+/133348. Tbr: kwiberg@webrtc.org # Mock class update Bug: webrtc:7408 Change-Id: I429f5f5c18f14c27136e82860297107a82c81d13 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133571 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Åsa Persson <asapersson@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27754}