base/ header cleanup. Forward declaration instead of including.

net/test/test_server.cc

 // Copyright (c) 2010 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/test/test_server.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <wincrypt.h>
 #elif defined(OS_MACOSX)
 #include "net/base/x509_certificate.h"
 #endif
 
 #include "base/file_util.h"
 #include "base/leak_annotations.h"
 #include "base/logging.h"
 #include "base/path_service.h"
+#include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/cert_test_util.h"
 #include "net/base/host_resolver.h"
 #include "net/base/test_completion_callback.h"
 #include "net/socket/tcp_client_socket.h"
 #include "net/socket/tcp_pinger.h"
 #include "testing/platform_test.h"
 
 #if defined(OS_WIN)
 #pragma comment(lib, "crypt32.lib")
@@ skipping 364 matching lines @@
                                       process_info.hProcess)) {
       LOG(ERROR) << "Could not AssignProcessToObject.";
       return false;
     }
   }
   return true;
 }
 #endif
 
 }  // namespace net