Adding "UserAddedToSession" notifier to the SessionStateObserver

chrome/browser/chromeos/login/user_manager.cc

 // Copyright (c) 2012 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/chromeos/login/user_manager.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/browser/chromeos/login/user_manager_impl.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 19 matching lines @@
 UserManager::Observer::~Observer() {
 }
 
 void UserManager::Observer::LocalStateChanged(UserManager* user_manager) {
 }
 
 void UserManager::UserSessionStateObserver::ActiveUserChanged(
     const User* active_user) {
 }
 
+void UserManager::UserSessionStateObserver::UserAddedToSession(
+    const User* active_user) {
+}
+
 void UserManager::UserSessionStateObserver::ActiveUserHashChanged(
     const std::string& hash) {
 }
 
 void UserManager::UserSessionStateObserver::
 PendingUserSessionsRestoreFinished() {
 }
 
 UserManager::UserSessionStateObserver::~UserSessionStateObserver() {
 }
@@ skipping 55 matching lines @@
 ScopedTestUserManager::ScopedTestUserManager() {
   UserManager::Initialize();
 }
 
 ScopedTestUserManager::~ScopedTestUserManager() {
   UserManager::Get()->Shutdown();
   UserManager::Destroy();
 }
 
 }  // namespace chromeos