GitLab

Returning a PolicyDecision which was created with CancelAndDisplayError
from ShouldAllowRequest will cancel the request and display the error to
the user. This can be used to display to the user why a request was
cancelled.

Bug: 1065161
Change-Id: I4418cb099aa7fab01a3bca6fa08d3c5e67fce986
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2140958
Commit-Queue: Mike Dougherty <michaeldo@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#759567}