... when storing to proxies.

Bug: chromium:772897
Change-Id: Ia91e69f35dc3b1f67b67038bd8206e508149e9a3
Reviewed-on: https://chromium-review.googlesource.com/744041Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49039}