Standardize usage of virtual/override/final in mojo/

mojo/services/network/tcp_server_socket_impl.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 MOJO_SERVICES_NETWORK_TCP_SERVER_SOCKET_H_
 #define MOJO_SERVICES_NETWORK_TCP_SERVER_SOCKET_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "mojo/public/cpp/bindings/interface_impl.h"
 #include "mojo/services/public/interfaces/network/tcp_server_socket.mojom.h"
 #include "net/base/ip_endpoint.h"
 #include "net/socket/tcp_socket.h"
 
 namespace mojo {
 
 class TCPServerSocketImpl : public InterfaceImpl<TCPServerSocket> {
  public:
   typedef Callback<void(NetworkErrorPtr, NetAddressPtr)> AcceptCallback;
 
   // Passed ownership of a socket already in listening mode.
   explicit TCPServerSocketImpl(scoped_ptr<net::TCPSocket> socket);
-  virtual ~TCPServerSocketImpl();
+  ~TCPServerSocketImpl() override;
 
   // TCPServerSocket.
-  virtual void Accept(
-      ScopedDataPipeConsumerHandle send_stream,
-      ScopedDataPipeProducerHandle receive_stream,
-      InterfaceRequest<TCPConnectedSocket> client_socket,
-      const AcceptCallback& callback) override;
+  void Accept(ScopedDataPipeConsumerHandle send_stream,
+              ScopedDataPipeProducerHandle receive_stream,
+              InterfaceRequest<TCPConnectedSocket> client_socket,
+              const AcceptCallback& callback) override;
 
  private:
   void OnAcceptCompleted(int result);
 
   scoped_ptr<net::TCPSocket> socket_;
 
   // Non-null when accept is pending.
   AcceptCallback pending_callback_;
 
   // The parameters associated with the pending Accept call.
   ScopedDataPipeConsumerHandle pending_send_stream_;
   ScopedDataPipeProducerHandle pending_receive_stream_;
   InterfaceRequest<TCPConnectedSocket> pending_client_socket_;
 
   // These are written to by net::TCPSocket when Accept is completed.
   scoped_ptr<net::TCPSocket> accepted_socket_;
   net::IPEndPoint accepted_address_;
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_NETWORK_TCP_SERVER_SOCKET_H_