Fixed suggesting adding more users into multi-profile session when we don't have more

chrome/browser/ui/ash/session_state_delegate_chromeos.h

 // Copyright (c) 2013 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_UI_ASH_SESSION_STATE_DELEGATE_CHROMEOS_H_
 #define CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_CHROMEOS_H_
 
 #include "ash/session/session_state_delegate.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 15 matching lines @@
   SessionStateDelegateChromeos();
   virtual ~SessionStateDelegateChromeos();
 
   // ash::SessionStateDelegate:
   virtual content::BrowserContext* GetBrowserContextByIndex(
       ash::MultiProfileIndex index) OVERRIDE;
   virtual content::BrowserContext* GetBrowserContextForWindow(
       aura::Window* window) OVERRIDE;
   virtual int GetMaximumNumberOfLoggedInUsers() const OVERRIDE;
   virtual int NumberOfLoggedInUsers() const OVERRIDE;
+  virtual bool CanAddUserToMultiProfile(AddUserError* error) const OVERRIDE;
   virtual bool IsActiveUserSessionStarted() const OVERRIDE;
   virtual bool CanLockScreen() const OVERRIDE;
   virtual bool IsScreenLocked() const OVERRIDE;
   virtual bool ShouldLockScreenBeforeSuspending() const OVERRIDE;
   virtual void LockScreen() OVERRIDE;
   virtual void UnlockScreen() OVERRIDE;
   virtual bool IsUserSessionBlocked() const OVERRIDE;
   virtual SessionState GetSessionState() const OVERRIDE;
   virtual const user_manager::UserInfo* GetUserInfo(
       ash::MultiProfileIndex index) const OVERRIDE;
@@ skipping 37 matching lines @@
   // List of observers is only used on Chrome OS for now.
   ObserverList<ash::SessionStateObserver> session_state_observer_list_;
 
   // Session state (e.g. login screen vs. user session).
   SessionState session_state_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionStateDelegateChromeos);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_SESSION_STATE_DELEGATE_CHROMEOS_H_