ChromeOS user_manager: move all KnownUser code to separate file.

chrome/browser/chromeos/login/signin/device_id_browsertest.cc

 // Copyright 2015 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.
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/login/test/oobe_base_test.h"
 #include "chrome/browser/chromeos/login/test/oobe_screen_waiter.h"
 #include "chrome/browser/chromeos/login/ui/oobe_display.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/signin/core/common/signin_pref_names.h"
+#include "components/user_manager/known_user.h"
 #include "components/user_manager/remove_user_delegate.h"
 #include "components/user_manager/user_manager.h"
 
 namespace {
 
 char kRefreshToken1[] = "refresh_token_1";
 char kRefreshToken2[] = "refresh_token_2";
 const base::FilePath::CharType kRefreshTokenToDeviceIdMapFile[] =
     FILE_PATH_LITERAL("refrest_token_to_device_id.json");
 
@@ skipping 19 matching lines @@
     OobeBaseTest::SetUpOnMainThread();
     LoadRefreshTokenToDeviceIdMap();
   }
 
   void TearDownOnMainThread() override {
     SaveRefreshTokenToDeviceIdMap();
     OobeBaseTest::TearDownOnMainThread();
   }
 
   std::string GetDeviceId(const AccountId& account_id) {
-    return user_manager::UserManager::Get()->GetKnownUserDeviceId(account_id);
+    return user_manager::known_user::GetDeviceId(account_id);
   }
 
   std::string GetDeviceIdFromSigninClient(const AccountId& account_id) {
     return ChromeSigninClientFactory::GetForProfile(
                ProfileHelper::Get()->GetProfileByUser(
                    user_manager::UserManager::Get()->FindUser(account_id)))
         ->GetSigninScopedDeviceId();
   }
 
   std::string GetDeviceIdFromGAIA(const std::string& refresh_token) {
@@ skipping 174 matching lines @@
   // Simulate user that has device ID saved only in preferences (pre-M44).
   PrefService* prefs =
       ProfileHelper::Get()
           ->GetProfileByUser(user_manager::UserManager::Get()->GetActiveUser())
           ->GetPrefs();
   prefs->SetString(prefs::kGoogleServicesSigninScopedDeviceId,
                    GetDeviceId(AccountId::FromUserEmail(kFakeUserEmail)));
 
   // Can't use SetKnownUserDeviceId here, because it forbids changing a device
   // ID.
-  user_manager::UserManager::Get()->SetKnownUserStringPref(
+  user_manager::known_user::SetStringPref(
       AccountId::FromUserEmail(kFakeUserEmail), "device_id", std::string());
 }
 
 // Tests that after the first sign in the device ID has been moved to the Local
 // state.
 IN_PROC_BROWSER_TEST_F(DeviceIDTest, Migration) {
   EXPECT_TRUE(GetDeviceId(AccountId::FromUserEmail(kFakeUserEmail)).empty());
   SignInOffline(kFakeUserEmail, kFakeUserPassword);
   CheckDeviceIDIsConsistent(AccountId::FromUserEmail(kFakeUserEmail),
                             kRefreshToken1);
 }
 
 // Set up a user that doesn't have a device ID.
 IN_PROC_BROWSER_TEST_F(DeviceIDTest, PRE_LegacyUsers) {
   SignInOnline(kFakeUserEmail, kFakeUserPassword, kRefreshToken1,
                kFakeUserGaiaId);
 
   PrefService* prefs =
       ProfileHelper::Get()
           ->GetProfileByUser(user_manager::UserManager::Get()->GetActiveUser())
           ->GetPrefs();
   EXPECT_TRUE(
       prefs->GetString(prefs::kGoogleServicesSigninScopedDeviceId).empty());
 
   // Can't use SetKnownUserDeviceId here, because it forbids changing a device
   // ID.
-  user_manager::UserManager::Get()->SetKnownUserStringPref(
+  user_manager::known_user::SetStringPref(
       AccountId::FromUserEmail(kFakeUserEmail), "device_id", std::string());
 }
 
 // Tests that device ID has been generated after the first sign in.
 IN_PROC_BROWSER_TEST_F(DeviceIDTest, LegacyUsers) {
   EXPECT_TRUE(GetDeviceId(AccountId::FromUserEmail(kFakeUserEmail)).empty());
   SignInOffline(kFakeUserEmail, kFakeUserPassword);
   // Last param |auth_code| is empty, because we don't pass a device ID to GAIA
   // in this case.
   CheckDeviceIDIsConsistent(AccountId::FromUserEmail(kFakeUserEmail),
                             std::string());
 }
 
 }  // namespace chromeos