Delay fetching account info until OnRefreshTokensLoaded().

components/signin/core/browser/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 source_set("browser") {
   sources = [
     "about_signin_internals.cc",
     "about_signin_internals.h",
     "account_fetcher_service.cc",
     "account_fetcher_service.h",
     "account_info.cc",
     "account_info.h",
     "account_info_fetcher.cc",
     "account_info_fetcher.h",
     "account_reconcilor.cc",
     "account_reconcilor.h",
+    "account_seeding_tracker.cc",
+    "account_seeding_tracker.h",
     "account_tracker_service.cc",
     "account_tracker_service.h",
     "android/component_jni_registrar.cc",
     "android/component_jni_registrar.h",
     "child_account_info_fetcher.cc",
     "child_account_info_fetcher.h",
     "child_account_info_fetcher_android.cc",
     "child_account_info_fetcher_android.h",
     "child_account_info_fetcher_impl.cc",
     "child_account_info_fetcher_impl.h",
@@ skipping 94 matching lines @@
     "refresh_token_annotation_request_unittest.cc",
     "signin_error_controller_unittest.cc",
     "webdata/token_service_table_unittest.cc",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
   ]
 }