ChromeOS: This CL moves chromeos/login/user_names* to user_mananger.

chrome/browser/chromeos/login/existing_user_controller.cc

Index: chrome/browser/chromeos/login/existing_user_controller.cc
diff --git a/chrome/browser/chromeos/login/existing_user_controller.cc b/chrome/browser/chromeos/login/existing_user_controller.cc
index 33e9edb7e4506ed556dabafc7dd7e857d528b1ea..2ecd40b51332e9c9c3b286ddcf9652b8ecdc4c83 100644
--- a/chrome/browser/chromeos/login/existing_user_controller.cc
+++ b/chrome/browser/chromeos/login/existing_user_controller.cc
@@ -53,7 +53,6 @@
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/dbus/session_manager_client.h"
-#include "chromeos/login/user_names.h"
 #include "chromeos/settings/cros_settings_names.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/policy/core/common/cloud/cloud_policy_core.h"
@@ -68,6 +67,7 @@
 #include "components/signin/core/browser/signin_client.h"
 #include "components/user_manager/known_user.h"
 #include "components/user_manager/user_manager.h"
+#include "components/user_manager/user_names.h"
 #include "components/user_manager/user_type.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
@@ -412,7 +412,7 @@ void ExistingUserController::PerformLogin(
   }
 
   if (gaia::ExtractDomainName(user_context.GetAccountId().GetUserEmail()) ==
-      chromeos::login::kSupervisedUserDomain) {
+      user_manager::kSupervisedUserDomain) {
     login_performer_->LoginAsSupervisedUser(user_context);
   } else {
     login_performer_->PerformLogin(user_context, auth_mode);
@@ -590,7 +590,7 @@ void ExistingUserController::OnAuthFailure(const AuthFailure& failure) {
         base::TimeDelta::FromMilliseconds(kSafeModeRestartUiDelayMs));
   } else if (failure.reason() == AuthFailure::TPM_ERROR) {
     ShowTPMError();
-  } else if (last_login_attempt_account_id_ == login::GuestAccountId()) {
+  } else if (last_login_attempt_account_id_ == user_manager::GuestAccountId()) {
     // Show no errors, just re-enable input.
     login_display_->ClearAndEnablePassword();
     StartPublicSessionAutoLoginTimer();
@@ -808,8 +808,8 @@ bool ExistingUserController::password_changed() const {
 }
 
 void ExistingUserController::LoginAsGuest() {
-  PerformPreLoginActions(
-      UserContext(user_manager::USER_TYPE_GUEST, login::GuestAccountId()));
+  PerformPreLoginActions(UserContext(user_manager::USER_TYPE_GUEST,
+                                     user_manager::GuestAccountId()));
 
   bool allow_guest;
   cros_settings_->GetBoolean(kAccountsPrefAllowGuest, &allow_guest);