Instead of using raw pointers. Bug: webrtc:11943 Change-Id: I39ce45868d95aca44f32cfed27c91986f9c3278a Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/331480 Commit-Queue: Per Kjellander <perkj@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41384}