Niels Möller fe6e50f0af Allow more than one registered network change callback in MediaTransport
Adds methods AddNetworkChangeCallback and RemoveNetworkChangeCallback,
to replace SetNetworkChangeCallback. Needed because both VideoChannel and
VoiceChannel register such a callback.

Bug: webrtc:9719
Change-Id: Ic592b2d775d721a0f44ba0af88ed963bf02d73a3
Reviewed-on: https://webrtc-review.googlesource.com/c/121460
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Peter Slatala <psla@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26575}
2019-02-06 16:14:45 +00:00
..
2019-01-30 16:16:51 +00:00
2019-01-28 11:17:00 +00:00