struct UnloadedExtensionInfo -> enum UnloadedExtensionInfoReason

chrome/browser/notifications/notification_system_observer.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_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_
 
 #include "base/macros.h"
 #include "base/scoped_observer.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 18 matching lines @@
   explicit NotificationSystemObserver(NotificationUIManager* ui_manager);
   ~NotificationSystemObserver() override;
 
  protected:
   // content::NotificationObserver override.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // extensions::ExtensionRegistryObserver override.
-  void OnExtensionUnloaded(
-      content::BrowserContext* browser_context,
-      const extensions::Extension* extension,
-      extensions::UnloadedExtensionInfo::Reason reason) override;
+  void OnExtensionUnloaded(content::BrowserContext* browser_context,
+                           const extensions::Extension* extension,
+                           extensions::UnloadedExtensionReason reason) override;
   void OnShutdown(extensions::ExtensionRegistry* registry) override;
 
  private:
   // Registrar for the other kind of notifications (event signaling).
   content::NotificationRegistrar registrar_;
   NotificationUIManager* ui_manager_;
 
   ScopedObserver<extensions::ExtensionRegistry,
                  extensions::ExtensionRegistryObserver>
       extension_registry_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(NotificationSystemObserver);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_SYSTEM_OBSERVER_H_