Replace string16 with base::string16.

chrome/browser/chromeos/ui/idle_logout_dialog_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_UI_IDLE_LOGOUT_DIALOG_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_UI_IDLE_LOGOUT_DIALOG_VIEW_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
@@ skipping 28 matching lines @@
 
 // A class to show the logout on idle dialog if the machine is in retail mode.
 class IdleLogoutDialogView : public views::DialogDelegateView {
  public:
   static void ShowDialog();
   static void CloseDialog();
 
   // views::DialogDelegateView:
   virtual int GetDialogButtons() const OVERRIDE;
   virtual ui::ModalType GetModalType() const OVERRIDE;
-  virtual string16 GetWindowTitle() const OVERRIDE;
+  virtual base::string16 GetWindowTitle() const OVERRIDE;
   virtual bool Close() OVERRIDE;
 
  private:
   friend class MockIdleLogoutSettingsProvider;
   friend class IdleLogoutDialogViewTest;
   FRIEND_TEST_ALL_PREFIXES(IdleLogoutDialogViewTest, ShowDialogAndCloseView);
   FRIEND_TEST_ALL_PREFIXES(IdleLogoutDialogViewTest,
                            ShowDialogAndCloseViewClose);
 
   IdleLogoutDialogView();
@@ skipping 20 matching lines @@
   base::WeakPtrFactory<IdleLogoutDialogView> weak_ptr_factory_;
 
   static IdleLogoutSettingsProvider* provider_;
 
   DISALLOW_COPY_AND_ASSIGN(IdleLogoutDialogView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_UI_IDLE_LOGOUT_DIALOG_VIEW_H_