Niels Möller c79dc98a60 Document that BasicPortAllocator requires a NetworkManager.
And add a corresponding DCHECK.

Bug: webrtc:13145
Change-Id: I748f686763fa5c7f04c64d5b0cecaf8fc122052d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/250124
Reviewed-by: Jonas Oreland <jonaso@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35883}
2022-02-02 09:54:35 +00:00
..