Notify users about certain changes in installed extensions.

chrome/browser/extensions/extension_service.h

 // Copyright (c) 2011 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_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 34 matching lines @@
 #include "content/common/notification_registrar.h"
 #include "content/common/property_bag.h"
 
 class CrxInstaller;
 class ExtensionBookmarkEventRouter;
 class ExtensionBrowserEventRouter;
 class ExtensionContentSettingsStore;
 class ExtensionCookiesEventRouter;
 class ExtensionDownloadsEventRouter;
 class ExtensionFileBrowserEventRouter;
+class ExtensionGlobalError;
 class ExtensionHistoryEventRouter;
 class ExtensionInstallUI;
 class ExtensionManagementEventRouter;
 class ExtensionPreferenceEventRouter;
 class ExtensionServiceBackend;
 class ExtensionSyncData;
 class ExtensionToolbarModel;
 class ExtensionUpdater;
 class ExtensionWebNavigationEventRouter;
 class GURL;
@@ skipping 435 matching lines @@
                                             Extension::Location location)
       OVERRIDE;
 
   virtual void OnExternalExtensionUpdateUrlFound(const std::string& id,
                                                  const GURL& update_url,
                                                  Extension::Location location)
       OVERRIDE;
 
   virtual void OnExternalProviderReady() OVERRIDE;
 
+  // Once all external providers are done, generate any needed alerts about
+  // extensions.
+  void IdentifyAlertableExtensions();
+
+  // The user has acknowledged the batch of alerts, so mark all the
+  // alertable extensions accordingly.
+  void HandleExtensionAlertAccept(const ExtensionGlobalError& global_error);
+
+  // The user wants to get more details about the alerts. Open the
+  // Extensions page.
+  void HandleExtensionAlertDetails(const ExtensionGlobalError& global_error);
+
   // NotificationObserver
   virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details) OVERRIDE;
 
   // Whether there are any apps installed. Component apps are not included.
   bool HasApps() const;
 
   // Gets the set of loaded app ids. Component apps are not included.
   ExtensionIdSet GetAppIds() const;
@@ skipping 276 matching lines @@
   SyncBundle extension_sync_bundle_;
 
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsWithUnlimtedStorage);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsAndCheckStorageProtection);
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_