struct UnloadedExtensionInfo -> enum UnloadedExtensionInfoReason

chrome/browser/extensions/api/settings_overrides/settings_overrides_api.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_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
 
 #include <memory>
 #include <set>
 #include <string>
@@ skipping 27 matching lines @@
                const std::string& pref_key,
                std::unique_ptr<base::Value> value) const;
   void UnsetPref(const std::string& extension_id,
                  const std::string& pref_key) const;
 
   // ExtensionRegistryObserver implementation.
   void OnExtensionLoaded(content::BrowserContext* browser_context,
                          const Extension* extension) override;
   void OnExtensionUnloaded(content::BrowserContext* browser_context,
                            const Extension* extension,
-                           UnloadedExtensionInfo::Reason reason) override;
+                           UnloadedExtensionReason reason) override;
 
   void RegisterSearchProvider(const Extension* extension) const;
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() { return "SettingsOverridesAPI"; }
 
   Profile* profile_;
   TemplateURLService* url_service_;
 
   // Listen to extension load, unloaded notifications.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsOverridesAPI);
 };
 
 template <>
 void BrowserContextKeyedAPIFactory<
     SettingsOverridesAPI>::DeclareFactoryDependencies();
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_