GitLab

Introduce a test which is equivalent to
SingleClientBookmarksSyncTest.DownloadTwoPre2015BookmarksWithSameItemId
desktop test.

Bug: 1048984
Change-Id: I729a296c28a91cac345c48b5f8f8982f7551c56e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2111150Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: Rushan Suleymanov <rushans@google.com>
Cr-Commit-Position: refs/heads/master@{#752030}