Remove test-only logic to filter out sync types

The two KeyedServices should be around in non-test code, and otherwise
the dependent datatypes shouldn't be registered.

Bug: 915154
Change-Id: I9f3f4fcdbc6715b49e3d7c424ce408e2d1869b14
Reviewed-on: https://chromium-review.googlesource.com/c/1459631
Commit-Queue: Marc Treib <treib@chromium.org>
Auto-Submit: Mikel Astiz <mastiz@chromium.org>
Reviewed-by: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#630309}
5 files changed