PART1: Initiated the SignedSettings refactoring.

chrome/browser/ui/webui/options/chromeos/about_page_handler.h

 // Copyright (c) 2011 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_UI_WEBUI_OPTIONS_CHROMEOS_ABOUT_PAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_ABOUT_PAGE_HANDLER_H_
 
 #include <string>
 
 #include "chrome/browser/ui/webui/options/options_ui.h"
-
-#include "chrome/browser/ui/webui/options/chromeos/cros_options_page_ui_handler.h"
 #include "chrome/browser/chromeos/cros/update_library.h"
 #include "chrome/browser/chromeos/version_loader.h"
 
 namespace chromeos {
 
 // ChromeOS about page UI handler.
-class AboutPageHandler : public CrosOptionsPageUIHandler {
+class AboutPageHandler : public OptionsPageUIHandler {
 
  public:
   AboutPageHandler();
   virtual ~AboutPageHandler();
 
   // OptionsPageUIHandler implementation.
   virtual void GetLocalizedValues(base::DictionaryValue* localized_strings);
   virtual void RegisterMessages();
 
  private:
@@ skipping 33 matching lines @@
   int progress_;
   bool sticky_;
   bool started_;
 
   DISALLOW_COPY_AND_ASSIGN(AboutPageHandler);
 };
 
 } // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_ABOUT_PAGE_HANDLER_H_