Add a SupervisedUserServiceObserver.

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>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/observer_list.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/scoped_observer.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/supervised_user/experimental/supervised_user_blacklist.h"
 #include "chrome/browser/supervised_user/supervised_user_url_filter.h"
 #include "chrome/browser/supervised_user/supervised_users.h"
 #include "chrome/browser/sync/profile_sync_service_observer.h"
 #include "chrome/browser/sync/sync_type_preference_provider.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/web_contents.h"
 
 #if defined(ENABLE_EXTENSIONS)
 #include "extensions/browser/extension_registry_observer.h"
 #include "extensions/browser/management_policy.h"
 #endif
 
 class Browser;
 class GoogleServiceAuthError;
 class PermissionRequestCreator;
 class Profile;
 class SupervisedUserRegistrationUtility;
+class SupervisedUserServiceObserver;
 class SupervisedUserSettingsService;
 class SupervisedUserSiteList;
 class SupervisedUserURLFilter;
 
 namespace base {
 class FilePath;
 }
 
 namespace extensions {
 class ExtensionRegistry;
@@ skipping 111 matching lines @@
       const std::string& supervised_user_id,
       const AuthErrorCallback& callback);
 
   void set_elevated_for_testing(bool skip) {
     elevated_for_testing_ = skip;
   }
 
   void AddNavigationBlockedCallback(const NavigationBlockedCallback& callback);
   void DidBlockNavigation(content::WebContents* web_contents);
 
+  void AddObserver(SupervisedUserServiceObserver* observer);
+  void RemoveObserver(SupervisedUserServiceObserver* observer);
+
 #if defined(ENABLE_EXTENSIONS)
   // extensions::ManagementPolicy::Provider implementation:
   virtual std::string GetDebugPolicyProviderName() const OVERRIDE;
   virtual bool UserMayLoad(const extensions::Extension* extension,
                            base::string16* error) const OVERRIDE;
   virtual bool UserMayModifySettings(const extensions::Extension* extension,
                                      base::string16* error) const OVERRIDE;
 
   // extensions::ExtensionRegistryObserver implementation.
   virtual void OnExtensionLoaded(
@@ skipping 140 matching lines @@
   bool did_init_;
 
   // True only when |Shutdown()| method has been called.
   bool did_shutdown_;
 
   URLFilterContext url_filter_context_;
 
   // 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_