struct UnloadedExtensionInfo -> enum UnloadedExtensionInfoReason

extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h

 // Copyright 2014 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_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_LOW_ENERGY_EVENT_ROUTER_H_
 #define EXTENSIONS_BROWSER_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_LOW_ENERGY_EVENT_ROUTER_H_
 
 #include <cstddef>
 #include <cstdint>
 #include <map>
@@ skipping 321 matching lines @@
       const base::Closure& callback,
       const Delegate::ErrorCallback& error_callback) override;
   void OnNotificationsStart(
       const device::BluetoothDevice* device,
       const device::BluetoothLocalGattCharacteristic* characteristic) override;
   void OnNotificationsStop(
       const device::BluetoothDevice* device,
       const device::BluetoothLocalGattCharacteristic* characteristic) override;
 
   // extensions::ExtensionRegistryObserver overrides:
-  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;
 
   // Adds a mapping for a local characteristic ID to its service ID
   void AddLocalCharacteristic(const std::string& id,
                               const std::string& service_id);
   // Returns a BluetoothGattCharacteristic by its ID |id|.
   // Returns NULL, if the characteristic cannot be found.
   device::BluetoothLocalGattCharacteristic* GetLocalCharacteristic(
       const std::string& id) const;
 
   // Adds a mapping for a service_id to the id of the app that owns it.
@@ skipping 223 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothLowEnergyEventRouter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_LOW_ENERGY_EVENT_ROUTER_H_