Remove a reference to AccountFetcherServiceFactory.

Tests should use IdentityTestManager instead of directly interacting
with AccountFetcherServiceFactory.

Bug: 939372
Change-Id: Id410209819b58a7fe3dc0b9435defab2c1f6829f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1538283
Commit-Queue: Lowell Manners <lowell@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644235}
1 file changed