GitLab

This CL adds net::trust_tokens::Store, which translates between
Trust Tokens protocol-related operations and the underlying
key-value representation of the persistence layer
(net::trust_tokens::Persister).

Bug: 1036494
Change-Id: Ida2e2f85bb473ffb8057ba96583ddc76d689d558
Cq-Do-Not-Cancel-Tryjobs: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1986383Reviewed-by: Asanka Herath <asanka@chromium.org>
Commit-Queue: David Van Cleve <davidvc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733777}