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

chrome/browser/chromeos/options/vpn_config_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "chrome/browser/chromeos/cros/cert_library.h"
 #include "chrome/browser/chromeos/cros/network_property_ui_data.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
 #include "chrome/browser/chromeos/options/passphrase_textfield.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/combobox/combobox_listener.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
 #include "ui/views/view.h"
 
 namespace views {
@@ skipping 142 matching lines @@
   views::Textfield* group_name_textfield_;
   views::Checkbox* save_credentials_checkbox_;
   views::Label* error_label_;
 
   DISALLOW_COPY_AND_ASSIGN(VPNConfigView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_