GitLab

https://testtracker.googleplex.com/testplans/details/33023?revision=10
The link above describes the currently existing manual tests related
to the permission prompts. As part of the review process, I've
implemented the tests from section 1.3.

Bug: 1063164
Change-Id: I30b1268fe010ee450afe440ac610cdc6fa3b9fef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2218169
Commit-Queue: Andy Paicu <andypaicu@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776228}