tree bdcd3e23f0cfb786352b0c2787a74c43d4c96971
parent da2ec405906b0c42240d80ffe9df1470d7883fa5
author Zach Stein <zstein@webrtc.org> 1533241215 -0700
committer Commit Bot <commit-bot@chromium.org> 1533244815 +0000

Add AsyncResolverFactory interface and basic implementation.

The factory is plumbed down to P2PTransportChannel and will eventually
be used to resolve hostnames. Uses of PacketSocketFacotry::CreateAsyncResolver
will eventually be migrated to use this factory instead.

Bug: webrtc:4165
Change-Id: I1c48b2ffb8649609a831eba291f67ce544bb10eb
Reviewed-on: https://webrtc-review.googlesource.com/91300
Commit-Queue: Zach Stein <zstein@webrtc.org>
Reviewed-by: Emad Omara <emadomara@webrtc.org>
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24176}