Reduce header dependencies in net/

net/base/ssl_client_socket_win.cc

 // 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.
 
 #include "net/base/ssl_client_socket_win.h"
 
 #include <schnlsp.h>
 
 #include "base/lock.h"
 #include "base/singleton.h"
 #include "base/string_util.h"
 #include "net/base/connection_type_histograms.h"
+#include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/ssl_info.h"
 
 #pragma comment(lib, "secur32.lib")
 
 namespace net {
 
 //-----------------------------------------------------------------------------
 
 // TODO(wtc): See http://msdn.microsoft.com/en-us/library/aa377188(VS.85).aspx
@@ skipping 1004 matching lines @@
   }
 }
 
 void SSLClientSocketWin::FreeSendBuffer() {
   SECURITY_STATUS status = FreeContextBuffer(send_buffer_.pvBuffer);
   DCHECK(status == SEC_E_OK);
   memset(&send_buffer_, 0, sizeof(send_buffer_));
 }
 
 }  // namespace net