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

chrome/browser/chromeos/metrics_cros_settings_provider.h

-// Copyright (c) 2010 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_METRICS_CROS_SETTINGS_PROVIDER_H_
-#define CHROME_BROWSER_CHROMEOS_METRICS_CROS_SETTINGS_PROVIDER_H_
-#pragma once
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "chrome/browser/chromeos/cros_settings_provider.h"
-
-namespace chromeos {
-
-// CrosSettingsProvider that abstracts switching of stats/crash
-// reporting to Google.
-class MetricsCrosSettingsProvider : public CrosSettingsProvider {
- public:
-  MetricsCrosSettingsProvider() {}
-
-  // Actual methods to control stats/crash reporting. Currently these
-  // methods are public and static so they are accessible directly
-  // from cros code. But this will change soon: crosbug.com/7359
-  static bool SetMetricsStatus(bool enabled);
-  static bool GetMetricsStatus();
-
- private:
-  // CrosSettingsProvider implementation.
-  virtual void DoSet(const std::string& path, base::Value* value);
-  virtual bool Get(const std::string& path, base::Value** value) const;
-  virtual bool HandlesSetting(const std::string& path);
-
-  DISALLOW_COPY_AND_ASSIGN(MetricsCrosSettingsProvider);
-};
-
-};  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_METRICS_CROS_SETTINGS_PROVIDER_H_