Clean up SessionStateDelegate in chrome

components/session_manager/core/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 COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
 #define COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_
 
+#include <stdint.h>
+
 #include <vector>
 
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "components/session_manager/session_manager_export.h"
 #include "components/session_manager/session_manager_types.h"
 
 class AccountId;
 
 namespace session_manager {
@@ skipping 14 matching lines @@
   // Creates a session for the given user. The first one is for regular cases
   // and the 2nd one is for the crash-and-restart case.
   void CreateSession(const AccountId& user_account_id,
                      const std::string& user_id_hash);
   void CreateSessionForRestart(const AccountId& user_account_id,
                                const std::string& user_id_hash);
 
   // Returns true if we're logged in and browser has been started i.e.
   // browser_creator.LaunchBrowser(...) was called after sign in
   // or restart after crash.
-  virtual bool IsSessionStarted() const;
+  bool IsSessionStarted() const;
 
   // Called when browser session is started i.e. after
   // browser_creator.LaunchBrowser(...) was called after user sign in.
   // When user is at the image screen IsUserLoggedIn() will return true
   // but IsSessionStarted() will return false. During the kiosk splash screen,
   // we perform additional initialization after the user is logged in but
   // before the session has been started.
   virtual void SessionStarted();
 
+  // Convenience wrapps of session state.
+  bool IsInSecondaryLoginScreen() const;
+  bool IsScreenLocked() const;
+
+  // Returns the maximum number of allowed user sessions.
+  uint32_t GetMaximumNumberOfUserSessions() const;
+
   void AddObserver(SessionManagerObserver* observer);
   void RemoveObserver(SessionManagerObserver* observer);
 
   SessionState session_state() const { return session_state_; }
   const std::vector<Session>& sessions() const { return sessions_; }
 
  protected:
   // Notifies UserManager about a user signs in when creating a user session.
   virtual void NotifyUserLoggedIn(const AccountId& user_account_id,
                                   const std::string& user_id_hash,
@@ skipping 29 matching lines @@
   std::vector<Session> sessions_;
 
   base::ObserverList<SessionManagerObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionManager);
 };
 
 }  // namespace session_manager
 
 #endif  // COMPONENTS_SESSION_MANAGER_CORE_SESSION_MANAGER_H_