GitLab

8e602f66 (https://chromium-review.googlesource.com/c/2420529) was
checked in expediently over the weekend for ${reasons}. This addresses
review feedback by refactoring the implementation into library code as
needed, and adding full proper tests.

Bug: 1130270
Test: chrome/installer/mac/signing/run_mac_signing_tests.py
Change-Id: I23a2a2d5ab43a05849f1211f021577cd4ee4b476
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2422275
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809502}