net: move udp directory into socket

net/socket/udp_socket.h

Index: net/socket/udp_socket.h
diff --git a/net/udp/udp_socket.h b/net/socket/udp_socket.h
similarity index 87%
rename from net/udp/udp_socket.h
rename to net/socket/udp_socket.h
index a468304ffb8f5548311a7e8c43f242eecb9a3fa7..1a0d4398c1e2507d1f32afc725adbc69d2c48d20 100644
--- a/net/udp/udp_socket.h
+++ b/net/socket/udp_socket.h
@@ -2,15 +2,15 @@
 // 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 {
@@ -43,4 +43,4 @@ typedef UDPSocketPosix UDPSocket;
 
 }  // namespace net
 
-#endif  // NET_UDP_UDP_SOCKET_H_
+#endif  // NET_SOCKET_UDP_SOCKET_H_