GitLab

Also add some new tests to verify Initialize() failures.

BUG=883620
TEST=new tests pass

Change-Id: I8ed3ca04b37fcdca4b9c9c3483b1d7c696bf232a
Reviewed-on: https://chromium-review.googlesource.com/c/1336059Reviewed-by: Dan Sanders <sandersd@chromium.org>
Commit-Queue: John Rummell <jrummell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608122}