f81170b48f
Make sure nullptr is returned if the packet is not in history. Bug: webrtc:9863 Change-Id: I9658b1b271071a4bd38f062ed68c60cc04c63123 Reviewed-on: https://webrtc-review.googlesource.com/c/105300 Commit-Queue: Erik Språng <sprang@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25114}