GitLab

Also distinguish between no hashes available (e.g. loaded from disk
cache) and no publicly trusted hashes (e.g. private CA) in the
.Request metric. Given that this only affected Canary metrics for
a week, the metric is intentionally not renamed.

BUG=787635,788563

Change-Id: I7ff97cd3ecd20b308e6cc85df5c549608251dcbe
Reviewed-on: https://chromium-review.googlesource.com/802214Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Reviewed-by: Eric Roman <eroman@chromium.org>
Commit-Queue: Ryan Sleevi <rsleevi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520788}