Standardize usage of virtual/override/final in extensions/

extensions/browser/api/bluetooth/bluetooth_private_api.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_BLUETOOTH_PRIVATE_API_H_
 #define EXTENSIONS_BROWSER_API_BLUETOOTH_BLUETOOTH_PRIVATE_API_H_
 
 #include "base/callback_forward.h"
 #include "extensions/browser/api/bluetooth/bluetooth_extension_function.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/browser/event_router.h"
 
 namespace device {
 class BluetoothAdapter;
 }
 
 namespace extensions {
 
 class BluetoothApiPairingDelegate;
 
 // The profile-keyed service that manages the bluetoothPrivate extension API.
 class BluetoothPrivateAPI : public BrowserContextKeyedAPI,
                             public EventRouter::Observer {
  public:
   static BrowserContextKeyedAPIFactory<BluetoothPrivateAPI>*
       GetFactoryInstance();
 
   explicit BluetoothPrivateAPI(content::BrowserContext* context);
-  virtual ~BluetoothPrivateAPI();
+  ~BluetoothPrivateAPI() override;
 
   // KeyedService implementation.
-  virtual void Shutdown() override;
+  void Shutdown() override;
 
   // EventRouter::Observer implementation.
-  virtual void OnListenerAdded(const EventListenerInfo& details) override;
-  virtual void OnListenerRemoved(const EventListenerInfo& details) override;
+  void OnListenerAdded(const EventListenerInfo& details) override;
+  void OnListenerRemoved(const EventListenerInfo& details) override;
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() { return "BluetoothPrivateAPI"; }
   static const bool kServiceRedirectedInIncognito = true;
   static const bool kServiceIsNULLWhileTesting = true;
 
  private:
   friend class BrowserContextKeyedAPIFactory<BluetoothPrivateAPI>;
 
   content::BrowserContext* browser_context_;
 };
 
 namespace core_api {
 
 class BluetoothPrivateSetAdapterStateFunction
     : public BluetoothExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("bluetoothPrivate.setAdapterState",
                              BLUETOOTHPRIVATE_SETADAPTERSTATE)
   BluetoothPrivateSetAdapterStateFunction();
 
  private:
-  virtual ~BluetoothPrivateSetAdapterStateFunction();
+  ~BluetoothPrivateSetAdapterStateFunction() override;
 
   base::Closure CreatePropertySetCallback(const std::string& property_name);
   base::Closure CreatePropertyErrorCallback(const std::string& property_name);
   void OnAdapterPropertySet(const std::string& property);
   void OnAdapterPropertyError(const std::string& property);
   void SendError();
 
   // BluetoothExtensionFunction overrides:
-  virtual bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) override;
+  bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) override;
 
   // Set of expected adapter properties to be changed.
   std::set<std::string> pending_properties_;
 
   // Set of adapter properties that were not set successfully.
   std::set<std::string> failed_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothPrivateSetAdapterStateFunction);
 };
 
 class BluetoothPrivateSetPairingResponseFunction
     : public BluetoothExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("bluetoothPrivate.setPairingResponse",
                              BLUETOOTHPRIVATE_SETPAIRINGRESPONSE)
   BluetoothPrivateSetPairingResponseFunction();
   // BluetoothExtensionFunction overrides:
-  virtual bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) override;
+  bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) override;
 
  private:
-  virtual ~BluetoothPrivateSetPairingResponseFunction();
+  ~BluetoothPrivateSetPairingResponseFunction() override;
   DISALLOW_COPY_AND_ASSIGN(BluetoothPrivateSetPairingResponseFunction);
 };
 
 }  // namespace core_api
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_BLUETOOTH_BLUETOOTH_PRIVATE_API_H_