Headless: reapply new virtual time tests: r560024, r560074, r560103, r560112, r560140.

Change-Id: Idbc930f4087158b413bd447698098792ec1b9b04
TBR: dgozman
Reviewed-on: https://chromium-review.googlesource.com/1067133
Commit-Queue: Pavel Feldman <pfeldman@chromium.org>
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560190}
37 files changed