GitLab

Removing wait calls from the privet_http_unittest.cc by posting tasks
without delay in tests.
Also various other clean-ups.

Bug: 840390
Change-Id: Iac7d2cd92fcfba269e5edbf81d6df217b14016b6
Reviewed-on: https://chromium-review.googlesource.com/1146485
Commit-Queue: Jay Civelli <jcivelli@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577657}