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

net/socket/socket.h

 // Copyright (c) 2006-2008 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_SOCKET_H_
-#define NET_BASE_SOCKET_H_
+#ifndef NET_SOCKET_SOCKET_H_
+#define NET_SOCKET_SOCKET_H_
 
 #include "net/base/completion_callback.h"
 
 namespace net {
 
 class IOBuffer;
 
 // Represents a read/write socket.
 class Socket {
  public:
@@ skipping 17 matching lines @@
   // immediately, the socket acquires a reference to the provided buffer until
   // the callback is invoked or the socket is destroyed.
   // Implementations of this method should not modify the contents of the actual
   // buffer that is written to the socket.
   virtual int Write(IOBuffer* buf, int buf_len,
                     CompletionCallback* callback) = 0;
 };
 
 }  // namespace net
 
-#endif  // NET_BASE_SOCKET_H_
+#endif  // NET_SOCKET_SOCKET_H_