Revert of Inline sign in extracts gaia id from HTTP header and seeds account tracker

components/signin/core/browser/account_tracker_service_unittest.cc

Index: components/signin/core/browser/account_tracker_service_unittest.cc
diff --git a/components/signin/core/browser/account_tracker_service_unittest.cc b/components/signin/core/browser/account_tracker_service_unittest.cc
index 7a4d3277ca0aa5593dd5817e9f867883b866c312..64b83b0dcebcac5437623511826a349fc5709c0d 100644
--- a/components/signin/core/browser/account_tracker_service_unittest.cc
+++ b/components/signin/core/browser/account_tracker_service_unittest.cc
@@ -10,7 +10,6 @@
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/stringprintf.h"
 #include "components/signin/core/browser/account_tracker_service.h"
-#include "components/signin/core/common/signin_pref_names.h"
 #include "google_apis/gaia/fake_oauth2_token_service.h"
 #include "google_apis/gaia/gaia_oauth_client.h"
 #include "net/http/http_status_code.h"
@@ -199,9 +198,6 @@
 
     pref_service_.registry()->RegisterListPref(
         AccountTrackerService::kAccountInfoPref);
-    pref_service_.registry()->RegisterIntegerPref(
-        prefs::kAccountIdMigrationState,
-        AccountTrackerService::MIGRATION_NOT_STARTED);
 
     account_tracker_.reset(new AccountTrackerService());
     account_tracker_->Initialize(fake_oauth2_token_service_.get(),
@@ -509,21 +505,3 @@
     tracker.Shutdown();
   }
 }
-
-TEST_F(AccountTrackerServiceTest, SeedAccountInfo) {
-  std::vector<AccountTrackerService::AccountInfo> infos =
-      account_tracker()->GetAccounts();
-  EXPECT_EQ(0u, infos.size());
-
-  const std::string gaia_id = AccountIdToGaiaId("alpha");
-  const std::string email = AccountIdToEmail("alpha");
-  const std::string account_id =
-      account_tracker()->PickAccountIdForAccount(gaia_id, email);
-  account_tracker()->SeedAccountInfo(gaia_id, email);
-
-  infos = account_tracker()->GetAccounts();
-  EXPECT_EQ(1u, infos.size());
-  EXPECT_EQ(account_id, infos[0].account_id);
-  EXPECT_EQ(gaia_id, infos[0].gaia);
-  EXPECT_EQ(email, infos[0].email);
-}