cleanup: Remove NOTIFICATION_EXTENSION_INSTALLED_DEPRECATED from c/b/apps

chrome/browser/apps/ephemeral_app_service.h

 // Copyright 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_APPS_EPHEMERAL_APP_SERVICE_H_
 #define CHROME_BROWSER_APPS_EPHEMERAL_APP_SERVICE_H_
 
 #include <map>
 #include <set>
 
+#include "base/scoped_observer.h"
 #include "base/timer/timer.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "extensions/browser/extension_registry_observer.h"
 
 class Profile;
 
 namespace extensions {
 class Extension;
+class ExtensionRegistry;
 }  // namespace extensions
 
 // Performs the background garbage collection of ephemeral apps.
 class EphemeralAppService : public KeyedService,
-                            public content::NotificationObserver {
+                            public content::NotificationObserver,
+                            public extensions::ExtensionRegistryObserver {
  public:
   // Returns the instance for the given profile. This is a convenience wrapper
   // around EphemeralAppServiceFactory::GetForProfile.
   static EphemeralAppService* Get(Profile* profile);
 
   explicit EphemeralAppService(Profile* profile);
   virtual ~EphemeralAppService();
 
   // Constants exposed for testing purposes:
 
@@ skipping 10 matching lines @@
 
  private:
   // A map used to order the ephemeral apps by their last launch time.
   typedef std::multimap<base::Time, std::string> LaunchTimeAppMap;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // extensions::ExtensionRegistryObserver.
+  virtual void OnExtensionWillBeInstalled(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension,
+      bool is_update,
+      const std::string& old_name) OVERRIDE;
+  virtual void OnExtensionUninstalled(
+      content::BrowserContext* browser_context,
+      const extensions::Extension* extension) OVERRIDE;
+
   void Init();
   void InitEphemeralAppCount();
 
   // Garbage collect ephemeral apps.
   void TriggerGarbageCollect(const base::TimeDelta& delay);
   void GarbageCollectApps();
   static void GetAppsToRemove(int app_count,
                               const LaunchTimeAppMap& app_launch_times,
                               std::set<std::string>* remove_app_ids);
 
   // Garbage collect the data of ephemeral apps that have been evicted and
   // inactive for a long period of time.
   void GarbageCollectData();
 
   Profile* profile_;
 
   content::NotificationRegistrar registrar_;
 
+  ScopedObserver<extensions::ExtensionRegistry,
+                 extensions::ExtensionRegistryObserver>
+      extension_registry_observer_;
+
   base::OneShotTimer<EphemeralAppService> garbage_collect_apps_timer_;
   base::OneShotTimer<EphemeralAppService> garbage_collect_data_timer_;
 
   // The count of cached ephemeral apps.
   int ephemeral_app_count_;
 
   friend class EphemeralAppBrowserTest;
   friend class EphemeralAppServiceTest;
   friend class EphemeralAppServiceBrowserTest;
 
   DISALLOW_COPY_AND_ASSIGN(EphemeralAppService);
 };
 
 #endif  // CHROME_BROWSER_APPS_EPHEMERAL_APP_SERVICE_H_