Create Mojo Struct for user information used in login/lock screen.

chrome/browser/ui/ash/lock_screen_client.cc

 // Copyright 2017 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 "chrome/browser/ui/ash/lock_screen_client.h"
 
 #include "ash/public/interfaces/constants.mojom.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "content/public/common/service_manager_connection.h"
 #include "services/service_manager/public/cpp/connector.h"
@@ skipping 87 matching lines @@
 void LockScreenClient::HideUserPodCustomIcon(const AccountId& account_id) {
   lock_screen_->HideUserPodCustomIcon(account_id);
 }
 
 void LockScreenClient::SetAuthType(const AccountId& account_id,
                                    ash::mojom::AuthType auth_type,
                                    const base::string16& initial_value) {
   lock_screen_->SetAuthType(account_id, auth_type, initial_value);
 }
 
-void LockScreenClient::LoadUsers(std::unique_ptr<base::ListValue> users_list,
-                                 bool show_guest) {
+void LockScreenClient::LoadUsers(
+    std::vector<ash::mojom::LoginUserInfoPtr> users_list,
+    bool show_guest) {
   lock_screen_->LoadUsers(std::move(users_list), show_guest);
 }
 
 void LockScreenClient::SetDelegate(Delegate* delegate) {
   delegate_ = delegate;
 }