Update the AvatarMenu when a supervised user's custodian info changes.

chrome/browser/supervised_user/supervised_user_service.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_SUPERVISED_USER_SUPERVISED_USER_SERVICE_H_
 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 240 matching lines @@
                                   const GoogleServiceAuthError& auth_error,
                                   const std::string& token);
 
   void SetupSync();
   void StartSetupSync();
   void FinishSetupSyncWhenReady();
   void FinishSetupSync();
 
   bool ProfileIsSupervised() const;
 
+  void OnCustodianInfoChanged();
+
 #if defined(ENABLE_EXTENSIONS)
   // Internal implementation for ExtensionManagementPolicy::Delegate methods.
   // If |error| is not NULL, it will be filled with an error message if the
   // requested extension action (install, modify status, etc.) is not permitted.
   bool ExtensionManagementPolicyImpl(const extensions::Extension* extension,
                                      base::string16* error) const;
 
   // Returns a list of all installed and enabled site lists in the current
   // supervised profile.
   ScopedVector<SupervisedUserSiteList> GetActiveSiteLists();
@@ skipping 59 matching lines @@
 
   // Used to create permission requests.
   scoped_ptr<PermissionRequestCreator> permissions_creator_;
 
   ObserverList<SupervisedUserServiceObserver> observer_list_;
 
   base::WeakPtrFactory<SupervisedUserService> weak_ptr_factory_;
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_SERVICE_H_