GitLab

Provides a more concise method for creating an X509Certificate with the
necessary intermediate(s).

Change-Id: I20d1cedbc7ee177b27871e460b1db56aec8f4e34
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1815994
Commit-Queue: Matt Mueller <mattm@chromium.org>
Reviewed-by: Eric Roman <eroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#699051}