Reduce header dependencies in net/

net/base/ssl_client_socket_unittest.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/address_list.h"
 #include "net/base/client_socket_factory.h"
 #include "net/base/host_resolver.h"
+#include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/ssl_client_socket.h"
 #include "net/base/ssl_config_service.h"
 #include "net/base/ssl_test_util.h"
 #include "net/base/tcp_client_socket.h"
 #include "net/base/test_completion_callback.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 //-----------------------------------------------------------------------------
@@ skipping 329 matching lines @@
   // Do a partial read and then exit.  This test should not crash!
   scoped_refptr<net::IOBuffer> buf = new net::IOBuffer(512);
   rv = sock->Read(buf, 512, &callback);
   EXPECT_TRUE(rv >= 0 || rv == net::ERR_IO_PENDING);
 
   if (rv == net::ERR_IO_PENDING)
     rv = callback.WaitForResult();
 
   EXPECT_NE(rv, 0);
 }