[cros] Define session_manager component with SessionManager base class

chrome/browser/chromeos/login/users/user_manager_impl.cc

 // Copyright 2014 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/users/user_manager_impl.h"
 
 #include <cstddef>
 #include <set>
 
 #include "ash/multi_profile_uma.h"
@@ skipping 40 matching lines @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/cryptohome/async_method_caller.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/login/auth/user_context.h"
 #include "chromeos/login/login_state.h"
 #include "chromeos/login/user_names.h"
 #include "chromeos/settings/cros_settings_names.h"
+#include "components/session_manager/core/session_manager.h"
 #include "components/user_manager/user_type.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "policy/policy_constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/wm/core/wm_core_switches.h"
 
 using content::BrowserThread;
@@ skipping 415 matching lines @@
   // Move the user to the front.
   SetLRUUser(active_user_);
 
   NotifyActiveUserHashChanged(active_user_->username_hash());
   NotifyActiveUserChanged(active_user_);
 }
 
 void UserManagerImpl::SessionStarted() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   session_started_ = true;
+
   UpdateLoginState();
+  g_browser_process->platform_part()->SessionManager()->SetSessionState(
+      session_manager::SESSION_STATE_ACTIVE);
+
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_SESSION_STARTED,
       content::Source<UserManager>(this),
       content::Details<const User>(active_user_));
   if (is_current_user_new_) {
     // Make sure that the new user's data is persisted to Local State.
     g_browser_process->local_state()->CommitPendingWrite();
   }
 }
 
@@ skipping 1261 matching lines @@
 }
 
 void UserManagerImpl::DeleteUser(User* user) {
   const bool is_active_user = (user == active_user_);
   delete user;
   if (is_active_user)
     active_user_ = NULL;
 }
 
 }  // namespace chromeos