GitLab

- Will later hold a list of routine results with the ability to update
  the status of the items

Bug: 1125150
Test: browser_tests --gtest_filter=DiagnosticsApp*
Change-Id: Iaebb25b50b7fc35c8dbf67043e495762e3f2dec2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462381
Commit-Queue: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815435}