net: move udp directory into socket

net/socket/udp_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_UDP_UDP_SOCKET_H_
-#define NET_UDP_UDP_SOCKET_H_
+#ifndef NET_SOCKET_UDP_SOCKET_H_
+#define NET_SOCKET_UDP_SOCKET_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
-#include "net/udp/udp_socket_win.h"
+#include "net/socket/udp_socket_win.h"
 #elif defined(OS_POSIX)
-#include "net/udp/udp_socket_posix.h"
+#include "net/socket/udp_socket_posix.h"
 #endif
 
 namespace net {
 
 // UDPSocket
 // Accessor API for a UDP socket in either client or server form.
 //
 // Client form:
 // In this case, we're connecting to a specific server, so the client will
 // usually use:
@@ skipping 12 matching lines @@
 //                             // Writes need to be directed to a specific
 //                             // address.
 #if defined(OS_WIN)
 typedef UDPSocketWin UDPSocket;
 #elif defined(OS_POSIX)
 typedef UDPSocketPosix UDPSocket;
 #endif
 
 }  // namespace net
 
-#endif  // NET_UDP_UDP_SOCKET_H_
+#endif  // NET_SOCKET_UDP_SOCKET_H_