net: move udp directory into socket

net/udp/udp_client_socket.h

-// Copyright (c) 2011 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_UDP_CLIENT_SOCKET_H_
-#define NET_SOCKET_UDP_CLIENT_SOCKET_H_
-
-#include <stdint.h>
-
-#include "base/macros.h"
-#include "net/base/net_export.h"
-#include "net/base/rand_callback.h"
-#include "net/udp/datagram_client_socket.h"
-#include "net/udp/udp_socket.h"
-
-namespace net {
-
-class NetLog;
-struct NetLogSource;
-
-// A client socket that uses UDP as the transport layer.
-class NET_EXPORT_PRIVATE UDPClientSocket : public DatagramClientSocket {
- public:
-  UDPClientSocket(DatagramSocket::BindType bind_type,
-                  const RandIntCallback& rand_int_cb,
-                  net::NetLog* net_log,
-                  const net::NetLogSource& source);
-  ~UDPClientSocket() override;
-
-  // DatagramClientSocket implementation.
-  int Connect(const IPEndPoint& address) override;
-  int ConnectUsingNetwork(NetworkChangeNotifier::NetworkHandle network,
-                          const IPEndPoint& address) override;
-  int ConnectUsingDefaultNetwork(const IPEndPoint& address) override;
-  NetworkChangeNotifier::NetworkHandle GetBoundNetwork() const override;
-  int Read(IOBuffer* buf,
-           int buf_len,
-           const CompletionCallback& callback) override;
-  int Write(IOBuffer* buf,
-            int buf_len,
-            const CompletionCallback& callback) override;
-  void Close() override;
-  int GetPeerAddress(IPEndPoint* address) const override;
-  int GetLocalAddress(IPEndPoint* address) const override;
-  void UseNonBlockingIO() override;
-  int SetReceiveBufferSize(int32_t size) override;
-  int SetSendBufferSize(int32_t size) override;
-  int SetDoNotFragment() override;
-  const NetLogWithSource& NetLog() const override;
-
-  // Switch to use non-blocking IO. Must be called right after construction and
-  // before other calls.
- private:
-  UDPSocket socket_;
-  NetworkChangeNotifier::NetworkHandle network_;
-  DISALLOW_COPY_AND_ASSIGN(UDPClientSocket);
-};
-
-}  // namespace net
-
-#endif  // NET_SOCKET_UDP_CLIENT_SOCKET_H_