GitLab

Persists origin retry-after data to disk. Serialization of a base::Time
into a DictionaryValue was tricky, suggestions welcome.

Bug: 1146210
Change-Id: I57e356c44d014076fcfe3895d82cd7bd0fbdbdcf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2531273Reviewed-by: Christian Dullweber <dullweber@chromium.org>
Reviewed-by: Dominic Battré <battre@chromium.org>
Reviewed-by: Ryan Sturm <ryansturm@chromium.org>
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Cr-Commit-Position: refs/heads/master@{#827318}