"API replacement summary:
- AccountTrackerService::PickAccountIdForAccount => IdentityManager::LegacyPickAccountIdForAccount
- AccountTrackerService::SeedAccountInfo => IdentityManager::LegacySeedAccountInfo
- AccountTrackerService::SetIsAdvancedProtectionAccount => AccountsMutator::SetIsAdvancedProtectionAccount
"

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/36b1e11118bcab933e90ebd108c4ef7370d6e528

commit 36b1e11118bcab933e90ebd108c4ef7370d6e528
Author: Julie Jeongeun Kim <jkim@igalia.com>
Date: Tue Jan 22 23:02:47 2019

[s13n] Move DiceResponseHandler away from AccountTrackerService

This CL removes AccountTrackerService from DiceResponseHandler
and replaces PickAccountIdForAccount with
LegacyPickAccountIdForAccount.

Bug: 922770
Change-Id: I850042262ee267cfd660a116e4c0537022add9df
Reviewed-on: https://chromium-review.googlesource.com/c/1425845
Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Commit-Queue: Julie Jeongeun Kim <jkim@igalia.com>
Cr-Commit-Position: refs/heads/master@{#624979}
[modify] https://crrev.com/36b1e11118bcab933e90ebd108c4ef7370d6e528/chrome/browser/signin/dice_response_handler.cc
[modify] https://crrev.com/36b1e11118bcab933e90ebd108c4ef7370d6e528/chrome/browser/signin/dice_response_handler.h
[modify] https://crrev.com/36b1e11118bcab933e90ebd108c4ef7370d6e528/chrome/browser/signin/dice_response_handler_unittest.cc