GitLab

This CL converts P2PSocketManagerRequest to
PendingReceiver<P2PSocketManager> as well as renames
BindRequest to BindReceiver.

Bug: 955171
Change-Id: I11f552f9615fad2bfa0f04e5bb69394a3126ad7b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1954818Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Commit-Queue: Gyuyoung Kim <gyuyoung@igalia.com>
Cr-Commit-Position: refs/heads/master@{#722686}