Use a direct include of strings headers in chrome/browser/chromeos/.

chrome/browser/chromeos/cros/native_network_parser.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/cros/native_network_parser.h"
 
 #include <string>
 
-#include "base/stringprintf.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/native_network_constants.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 // Local constants.
 namespace {
@@ skipping 1432 matching lines @@
        PROVIDER_TYPE_MAX));
   return &parser;
 }
 
 ProviderType NativeVirtualNetworkParser::ParseProviderType(
     const std::string& type) {
   return provider_type_mapper()->Get(type);
 }
 
 }  // namespace chromeos