GitLab

Prior we re-launched upon a successful rename so the file was
reloaded with the correct name. crrev/c/2352586 changes that but we
forgot to update it in the untrusted context.

Also adds tests for it.

Bug: b/165431994
Change-Id: I3b17c88b40ed563e043be7bb0b70c3dc098caeaa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2362169
Commit-Queue: David Lei <dlei@google.com>
Reviewed-by: Trent Apted <tapted@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799495}