CL here: https://chromium-review.googlesource.com/c/chromium/src/+/1331475

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/95852cba4a77c5a9bb5c1ffae5bc9e7e785fe0de

commit 95852cba4a77c5a9bb5c1ffae5bc9e7e785fe0de
Author: Mario Sanchez Prada <mario@igalia.com>
Date: Tue Nov 13 18:12:58 2018

Convert webstore_private_api.cc to the Identity service

Migrate away from SigninManagerBase::GetAuthenticatedAccountInfo and
use the IdentityManager's API instead.

Bug:  903867 
Change-Id: Ic8ce02d342bcd277385f766132b163d969422584
Reviewed-on: https://chromium-review.googlesource.com/c/1331475
Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Mario Sanchez Prada <mario@igalia.com>
Cr-Commit-Position: refs/heads/master@{#607656}
[modify] https://crrev.com/95852cba4a77c5a9bb5c1ffae5bc9e7e785fe0de/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc