GitLab

Use direct event calls so the tests will work across platforms including
Mac.

Bug: none
Change-Id: I41df114ed67709f7fcb95400ddec99aaf83a2ace
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2304135Reviewed-by: Robert Liao <robliao@chromium.org>
Commit-Queue: Wei Li <weili@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791281}