Add base:: namespace to string16 in chrome/browser/chromeos.

chrome/browser/chromeos/charger_replace/charger_replacement_dialog.cc

 // Copyright (c) 2013 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/charger_replace/charger_replacement_dialog.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_dialogs.h"
@@ skipping 58 matching lines @@
       chrome::ShowWebDialog(parent_window_,
                             ProfileManager::GetDefaultProfile(),
                             this);
   charger_replacement_handler_->set_charger_window(dialog_window);
 }
 
 ui::ModalType ChargerReplacementDialog::GetDialogModalType() const {
   return ui::MODAL_TYPE_SYSTEM;
 }
 
-string16 ChargerReplacementDialog::GetDialogTitle() const {
+base::string16 ChargerReplacementDialog::GetDialogTitle() const {
   return l10n_util::GetStringUTF16(IDS_CHARGER_REPLACEMENT_DIALOG_TITLE);
 }
 
 GURL ChargerReplacementDialog::GetDialogContentURL() const {
   return GURL(chrome::kChromeUIChargerReplacementURL);
 }
 
 void ChargerReplacementDialog::GetWebUIMessageHandlers(
     std::vector<WebUIMessageHandler*>* handlers) const {
   handlers->push_back(charger_replacement_handler_);
@@ skipping 38 matching lines @@
   return true;
 }
 
 bool ChargerReplacementDialog::HandleContextMenu(
     const content::ContextMenuParams& params) {
   // Disable context menu.
   return true;
 }
 
 }  // namespace chromeos