Rewire the metrics pref to the signed settings store on chromeos.

chrome/browser/ui/webui/options/chromeos/stats_options_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_STATS_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_STATS_OPTIONS_HANDLER_H_
 #pragma once
 
 #include "chrome/browser/ui/webui/options/chromeos/cros_options_page_ui_handler.h"
 
 namespace chromeos {
 
-class MetricsCrosSettingsProvider;
-
 // ChromeOS handler for "Stats/crash reporting to Google" option of the Advanced
 // settings page. This handler does only ChromeOS-specific actions while default
 // code is in Chrome's AdvancedOptionsHandler
 // (chrome/browser/webui/advanced_options_handler.cc).
 class StatsOptionsHandler : public CrosOptionsPageUIHandler {
  public:
   StatsOptionsHandler();
 
   // OptionsPageUIHandler implementation.
   virtual void GetLocalizedValues(base::DictionaryValue* localized_strings);
   virtual void Initialize();
 
   // WebUIMessageHandler implementation.
   virtual void RegisterMessages();
 
  private:
-  MetricsCrosSettingsProvider* provider() const;
   void HandleMetricsReportingCheckbox(const base::ListValue* args);
-  void SetupMetricsReportingCheckbox(bool user_changed);
 
   DISALLOW_COPY_AND_ASSIGN(StatsOptionsHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_STATS_OPTIONS_HANDLER_H_