GitLab

SafeBrowsingNetworkContexts is ready to roll out to Beta (see
cl/337414650), so add a field trial for it. A few tests fail with
the feature enabled, so we add a little code to fix those tests as
well.

Change-Id: I5254a0b632f5319f50d29756a996e69dcd3acc43
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2477252Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Reviewed-by: Bettina Dea <bdea@chromium.org>
Commit-Queue: Daniel Rubery <drubery@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820901}