GitLab

The Nigori key name can be inferred from key material so there is no
need to consume the proto field with the name.

Bug: 967417
Change-Id: Ibbd98b6496a9d797f90afbc951e5689e1d7ce491
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1824887Reviewed-by: Maksim Moskvitin <mmoskvitin@google.com>
Auto-Submit: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#699764}