GitLab

instead of defining a custom MockSyncService that isn't used as a mock.

Bug: 859874
Change-Id: If1458426ff77a666a2be0dc08513a87b26ad76b0
Reviewed-on: https://chromium-review.googlesource.com/c/1322710Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Commit-Queue: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606063}