struct UnloadedExtensionInfo -> enum UnloadedExtensionInfoReason

extensions/browser/warning_service.h

 // Copyright (c) 2012 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 EXTENSIONS_BROWSER_WARNING_SERVICE_H_
 #define EXTENSIONS_BROWSER_WARNING_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 61 matching lines @@
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
  private:
   void NotifyWarningsChanged(const ExtensionIdSet& affected_extensions);
 
   // ExtensionRegistryObserver implementation.
   void OnExtensionUnloaded(content::BrowserContext* browser_context,
                            const Extension* extension,
-                           UnloadedExtensionInfo::Reason reason) override;
+                           UnloadedExtensionReason reason) override;
 
   // Currently existing warnings.
   WarningSet warnings_;
 
   content::BrowserContext* const browser_context_;
 
   // Listen to extension unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   base::ObserverList<Observer> observer_list_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_WARNING_SERVICE_H_