net: move udp directory into socket

net/socket/udp_socket_posix.h

Index: net/socket/udp_socket_posix.h
diff --git a/net/udp/udp_socket_posix.h b/net/socket/udp_socket_posix.h
similarity index 98%
rename from net/udp/udp_socket_posix.h
rename to net/socket/udp_socket_posix.h
index 955ed6e2224cea936756b8edf7b9018c6ad08e45..3d71835d2c713fd7ece1378d47f0bc05d03e0c84 100644
--- a/net/udp/udp_socket_posix.h
+++ b/net/socket/udp_socket_posix.h
@@ -2,8 +2,8 @@
 // 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_POSIX_H_
-#define NET_UDP_UDP_SOCKET_POSIX_H_
+#ifndef NET_SOCKET_UDP_SOCKET_POSIX_H_
+#define NET_SOCKET_UDP_SOCKET_POSIX_H_
 
 #include <stdint.h>
 
@@ -21,9 +21,9 @@
 #include "net/base/network_change_notifier.h"
 #include "net/base/rand_callback.h"
 #include "net/log/net_log_with_source.h"
+#include "net/socket/datagram_socket.h"
+#include "net/socket/diff_serv_code_point.h"
 #include "net/socket/socket_descriptor.h"
-#include "net/udp/datagram_socket.h"
-#include "net/udp/diff_serv_code_point.h"
 
 namespace net {
 
@@ -327,4 +327,4 @@ class NET_EXPORT UDPSocketPosix : public base::NonThreadSafe {
 
 }  // namespace net
 
-#endif  // NET_UDP_UDP_SOCKET_POSIX_H_
+#endif  // NET_SOCKET_UDP_SOCKET_POSIX_H_