session_manager: Tracks user sessions

chrome/browser/chromeos/login/session/chrome_session_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_CHROME_SESSION_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_CHROME_SESSION_MANAGER_H_
 
 #include "base/macros.h"
 #include "components/session_manager/core/session_manager.h"
 
@@ skipping 15 matching lines @@
   //   - Launches pre-session UI such as  out-of-box or login;
   //   - Launches the auto launched kiosk app;
   //   - Resumes user sessions on crash-and-restart;
   //   - Starts a stub login session for dev or test;
   void Initialize(const base::CommandLine& parsed_command_line,
                   Profile* profile,
                   bool is_running_test);
 
   // session_manager::SessionManager:
   void SessionStarted() override;
+  void NotifyUserLoggedIn(const AccountId& user_account_id,
+                          const std::string& user_id_hash,
+                          bool browser_restart) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeSessionManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_CHROME_SESSION_MANAGER_H_