struct UnloadedExtensionInfo -> enum UnloadedExtensionInfoReason

chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.cc

 // 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.
 
 #include "chrome/browser/extensions/api/signed_in_devices/signed_in_devices_manager.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 140 matching lines @@
     if ((*it)->extension_id() == extension_id) {
       change_observers_.erase(it);
       return;
     }
   }
 }
 
 void SignedInDevicesManager::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const Extension* extension,
-    UnloadedExtensionInfo::Reason reason) {
+    UnloadedExtensionReason reason) {
   RemoveChangeObserverForExtension(extension->id());
 }
 
 }  // namespace extensions