Standardize usage of virtual/override/final in net/

net/socket/tcp_listen_socket.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 NET_SOCKET_TCP_LISTEN_SOCKET_H_
 #define NET_SOCKET_TCP_LISTEN_SOCKET_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
 #include "net/socket/socket_descriptor.h"
 #include "net/socket/stream_listen_socket.h"
 
 namespace net {
 
 // Implements a TCP socket.
 class NET_EXPORT TCPListenSocket : public StreamListenSocket {
  public:
-  virtual ~TCPListenSocket();
+  ~TCPListenSocket() override;
   // Listen on port for the specified IP address.  Use 127.0.0.1 to only
   // accept local connections.
   static scoped_ptr<TCPListenSocket> CreateAndListen(
       const std::string& ip, int port, StreamListenSocket::Delegate* del);
 
   // Get raw TCP socket descriptor bound to ip:port.
   static SocketDescriptor CreateAndBind(const std::string& ip, int port);
 
   // Get raw TCP socket descriptor bound to ip and return port it is bound to.
   static SocketDescriptor CreateAndBindAnyPort(const std::string& ip,
                                                int* port);
 
  protected:
   TCPListenSocket(SocketDescriptor s, StreamListenSocket::Delegate* del);
 
   // Implements StreamListenSocket::Accept.
-  virtual void Accept() override;
+  void Accept() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TCPListenSocket);
 };
 
 // Factory that can be used to instantiate TCPListenSocket.
 class NET_EXPORT TCPListenSocketFactory : public StreamListenSocketFactory {
  public:
   TCPListenSocketFactory(const std::string& ip, int port);
-  virtual ~TCPListenSocketFactory();
+  ~TCPListenSocketFactory() override;
 
   // StreamListenSocketFactory overrides.
-  virtual scoped_ptr<StreamListenSocket> CreateAndListen(
+  scoped_ptr<StreamListenSocket> CreateAndListen(
       StreamListenSocket::Delegate* delegate) const override;
 
  private:
   const std::string ip_;
   const int port_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPListenSocketFactory);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_LISTEN_SOCKET_H_