Standardize usage of virtual/override/final in extensions/

extensions/browser/api/bluetooth_socket/bluetooth_socket_event_dispatcher.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_SOCKET_BLUETOOTH_SOCKET_EVENT_DISPATCHER_H_
 #define EXTENSIONS_BROWSER_API_BLUETOOTH_SOCKET_BLUETOOTH_SOCKET_EVENT_DISPATCHER_H_
 
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/browser/api/bluetooth_socket/bluetooth_api_socket.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
@@ skipping 15 matching lines @@
 namespace extensions {
 namespace core_api {
 
 // Dispatch events related to "bluetooth" sockets from callback on native socket
 // instances. There is one instance per browser context.
 class BluetoothSocketEventDispatcher
     : public BrowserContextKeyedAPI,
       public base::SupportsWeakPtr<BluetoothSocketEventDispatcher> {
  public:
   explicit BluetoothSocketEventDispatcher(content::BrowserContext* context);
-  virtual ~BluetoothSocketEventDispatcher();
+  ~BluetoothSocketEventDispatcher() override;
 
   // Socket is active, start receiving data from it.
   void OnSocketConnect(const std::string& extension_id, int socket_id);
 
   // Socket is active again, start accepting connections from it.
   void OnSocketListen(const std::string& extension_id, int socket_id);
 
   // Socket is active again, start receiving data from it.
   void OnSocketResume(const std::string& extension_id, int socket_id);
 
@@ skipping 63 matching lines @@
   // Usually FILE thread (except for unit testing).
   content::BrowserThread::ID thread_id_;
   content::BrowserContext* const browser_context_;
   scoped_refptr<SocketData> sockets_;
 };
 
 }  // namespace core_api
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_BLUETOOTH_SOCKET_BLUETOOTH_SOCKET_EVENT_DISPATCHER_H_