Migrate ProfileSyncServiceAutofillTest to BindOnce/BindRepeating

Bug: 714018
Change-Id: I5f237f6be4311ebd36262354aef1256cd06d44eb
Reviewed-on: https://chromium-review.googlesource.com/1131995
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: Mark Pilgrim <pilgrim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574141}
3 files changed