GitLab

Prior to crrev.com/c/2270077, |OnPendingDownloadsLoaded| always
eventually used |original_coordinator_|.

The code is updated to perform the same behavior, and ensure there exist
a non-OffTheRecord coordinator when the function is called.

OnPendingDownloadsLoaded

Bug: 1106324, 1099577
Change-Id: Ie6f8a4c727d481eb1b3a946b1de4b0a2a02c70bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2302992
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Auto-Submit: Ramin Halavati <rhalavati@chromium.org>
Reviewed-by: Xing Liu <xingliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789845}