Standardize usage of virtual/override/final in remoting/

remoting/client/plugin/pepper_network_manager.h

 // Copyright (c) 2012 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 REMOTING_CLIENT_PLUGIN_PEPPER_NETWORK_MANAGER_H_
 #define REMOTING_CLIENT_PLUGIN_PEPPER_NETWORK_MANAGER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/network_monitor.h"
 #include "ppapi/utility/completion_callback_factory.h"
 #include "third_party/webrtc/base/network.h"
 
 namespace pp {
 class NetworkList;
 }  // namespace pp
 
 namespace remoting {
 
 // PepperNetworkManager uses the PPB_NetworkMonitor API to
 // implement the NetworkManager interface that libjingle uses to
 // monitor the host system's network interfaces.
 class PepperNetworkManager : public rtc::NetworkManagerBase {
  public:
   PepperNetworkManager(const pp::InstanceHandle& instance);
-  virtual ~PepperNetworkManager();
+  ~PepperNetworkManager() override;
 
   // NetworkManager interface.
-  virtual void StartUpdating() override;
-  virtual void StopUpdating() override;
+  void StartUpdating() override;
+  void StopUpdating() override;
 
  private:
   static void OnNetworkListCallbackHandler(void* user_data,
                                            PP_Resource list_resource);
 
   void OnNetworkList(int32_t result, const pp::NetworkList& list);
 
   void SendNetworksChangedSignal();
 
   pp::NetworkMonitor monitor_;
   int start_count_;
   bool network_list_received_;
 
   pp::CompletionCallbackFactory<PepperNetworkManager> callback_factory_;
 
   base::WeakPtrFactory<PepperNetworkManager> weak_factory_;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_PLUGIN_PEPPER_NETWORK_MANAGER_H_