Standardize usage of virtual/override/final in remoting/

remoting/client/plugin/pepper_packet_socket_factory.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_PACKET_SOCKET_FACTORY_H_
 #define REMOTING_CLIENT_PLUGIN_PEPPER_PACKET_SOCKET_FACTORY_H_
 
 #include "base/compiler_specific.h"
 #include "ppapi/cpp/instance_handle.h"
 #include "third_party/libjingle/source/talk/p2p/base/packetsocketfactory.h"
 
 namespace remoting {
 
 class PepperPacketSocketFactory : public rtc::PacketSocketFactory {
  public:
   explicit PepperPacketSocketFactory(const pp::InstanceHandle& instance);
-  virtual ~PepperPacketSocketFactory();
+  ~PepperPacketSocketFactory() override;
 
-  virtual rtc::AsyncPacketSocket* CreateUdpSocket(
+  rtc::AsyncPacketSocket* CreateUdpSocket(
       const rtc::SocketAddress& local_address,
-      int min_port, int max_port) override;
-  virtual rtc::AsyncPacketSocket* CreateServerTcpSocket(
+      int min_port,
+      int max_port) override;
+  rtc::AsyncPacketSocket* CreateServerTcpSocket(
       const rtc::SocketAddress& local_address,
       int min_port,
       int max_port,
       int opts) override;
-  virtual rtc::AsyncPacketSocket* CreateClientTcpSocket(
+  rtc::AsyncPacketSocket* CreateClientTcpSocket(
       const rtc::SocketAddress& local_address,
       const rtc::SocketAddress& remote_address,
       const rtc::ProxyInfo& proxy_info,
       const std::string& user_agent,
       int opts) override;
-  virtual rtc::AsyncResolverInterface* CreateAsyncResolver() override;
+  rtc::AsyncResolverInterface* CreateAsyncResolver() override;
 
  private:
   const pp::InstanceHandle pp_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPacketSocketFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_PLUGIN_PEPPER_PACKET_SOCKET_FACTORY_H_