Move statistics_provider to chromeos/system

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_
-
-#include <string>
-
-namespace chromeos {
-namespace system {
-
-// Developer switch value.
-extern const char kDevSwitchBootMode[];
-
-// HWID key.
-extern const char kHardwareClass[];
-
-// OEM customization flag that permits exiting enterprise enrollment flow in
-// OOBE when 'oem_enterprise_managed' flag is set.
-extern const char kOemCanExitEnterpriseEnrollmentKey[];
-
-// OEM customization directive that specified intended device purpose.
-extern const char kOemDeviceRequisitionKey[];
-
-// OEM customization flag that enforces enterprise enrollment flow in OOBE.
-extern const char kOemIsEnterpriseManagedKey[];
-
-// OEM customization flag that specifies if OOBE flow should be enhanced for
-// keyboard driven control.
-extern const char kOemKeyboardDrivenOobeKey[];
-
-// Offer coupon code key.
-extern const char kOffersCouponCodeKey[];
-
-// Offer group key.
-extern const char kOffersGroupCodeKey[];
-
-// This interface provides access to Chrome OS statistics.
-class StatisticsProvider {
- public:
-  // Initializes the statistics provider.
-  virtual void Init() = 0;
-
-  // Starts loading the machine statistcs.
-  virtual void StartLoadingMachineStatistics() = 0;
-
-  // 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;
-
-  // Retrieve boolean value for named machine flag.
-  virtual bool GetMachineFlag(const std::string& name,
-                              bool* result) = 0;
-
-  // Loads kiosk oem manifest file.
-  virtual void LoadOemManifest() = 0;
-
-  static StatisticsProvider* GetInstance();
-
- protected:
-  virtual ~StatisticsProvider() {}
-};
-
-}  // namespace system
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_