This reverts a change introduced last week in [1] whereby the port_ pointer would be valid while firing the `Destroyed` event. [1] https://webrtc-review.googlesource.com/c/src/+/259826 Bug: webrtc:13892, webrtc:13865 Change-Id: I9c7be8fa9a5603fbdbf0debd91e2d4e21b303270 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/260860 Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36728}