GitLab

This finishes conversion of base::Bind and friends in net/reporting,
net/server, and net/websockets.

Bug: 1007815
Change-Id: I8c8e060198cc9058c865b36e7f8529e49c1f65a6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2288106Reviewed-by: David Benjamin <davidben@chromium.org>
Commit-Queue: Steve Kobes <skobes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#786566}