Split SystemAccess into TimezoneSettings, StatisticsProvider, and SyslogsProvider.

chrome/browser/chromeos/system/statistics_provider.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_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
+#define CHROME_BROWSER_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
+#pragma once
+
+#include <string>
+
+namespace chromeos {
+namespace system {
+
+// This interface provides access to Chrome OS statistics.
+class StatisticsProvider {
+ public:
+  // Retrieve the named machine statistic (e.g. "hardware_class").
+  // This does not update the statistcs. If the |name| is not set, |result|
+  // preserves old value.
+  virtual bool GetMachineStatistic(const std::string& name,
+                                   std::string* result) = 0;
+
+  static StatisticsProvider* GetInstance();
+
+ protected:
+  virtual ~StatisticsProvider() {}
+};
+
+}  // namespace system
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_