Move socket related files from net/base to net/socket.

net/base/tcp_client_socket.h

Index: net/base/tcp_client_socket.h
===================================================================
--- net/base/tcp_client_socket.h	(revision 18948)
+++ net/base/tcp_client_socket.h	(working copy)
@@ -1,27 +0,0 @@
-// Copyright (c) 2006-2009 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_BASE_TCP_CLIENT_SOCKET_H_
-#define NET_BASE_TCP_CLIENT_SOCKET_H_
-
-#include "build/build_config.h"
-
-#if defined(OS_WIN)
-#include "net/base/tcp_client_socket_win.h"
-#elif defined(OS_POSIX)
-#include "net/base/tcp_client_socket_libevent.h"
-#endif
-
-namespace net {
-
-// A client socket that uses TCP as the transport layer.
-#if defined(OS_WIN)
-typedef TCPClientSocketWin TCPClientSocket;
-#elif defined(OS_POSIX)
-typedef TCPClientSocketLibevent TCPClientSocket;
-#endif
-
-}  // namespace net
-
-#endif  // NET_BASE_TCP_CLIENT_SOCKET_H_