Add OS and firmware version to device status reports.

chrome/browser/policy/device_status_collector.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_POLICY_DEVICE_STATUS_COLLECTOR_H_
 #define CHROME_BROWSER_POLICY_DEVICE_STATUS_COLLECTOR_H_
 #pragma once
 
 #include "base/time.h"
 #include "base/timer.h"
+#include "chrome/browser/chromeos/version_loader.h"
 #include "chrome/browser/idle.h"
 
-using base::Time;
-
 namespace enterprise_management {
 class DeviceStatusReportRequest;
 }
 
 class PrefService;
 
 namespace policy {
 
 // Collects and summarizes the status of an enterprised-managed ChromeOS device.
 class DeviceStatusCollector {
  public:
   explicit DeviceStatusCollector(PrefService* local_state);
   virtual ~DeviceStatusCollector();
 
   void GetStatus(enterprise_management::DeviceStatusReportRequest* request);
 
   static void RegisterPrefs(PrefService* local_state);
 
   // How often, in seconds, to poll to see if the user is idle.
   static const unsigned int kPollIntervalSeconds = 30;
 
  protected:
   // Check whether the user has been idle for a certain period of time.
   virtual void CheckIdleState();
 
-  // Used instead of Time::Now(), to make testing possible.
-  virtual Time GetCurrentTime();
+  // Used instead of base::Time::Now(), to make testing possible.
+  virtual base::Time GetCurrentTime();
 
   // Callback which receives the results of the idle state check.
   void IdleStateCallback(IdleState state);
 
   // The maximum number of active periods timestamps to be stored.
   unsigned int max_stored_active_periods_;
 
  private:
   void AddActivePeriod(base::Time start, base::Time end);
 
+  // Callbacks from chromeos::VersionLoader.
+  void OnOSVersion(chromeos::VersionLoader::Handle handle,
+                   std::string version);
+  void OnOSFirmware(chromeos::VersionLoader::Handle handle,
+                    std::string version);
+
   // How often to poll to see if the user is idle.
   int poll_interval_seconds_;
 
   PrefService* local_state_;
 
   // The last time an idle state check was performed.
-  Time last_idle_check_;
+  base::Time last_idle_check_;
 
   // The idle state the last time it was checked.
   IdleState last_idle_state_;
 
   base::RepeatingTimer<DeviceStatusCollector> timer_;
 
+  chromeos::VersionLoader version_loader_;
+  CancelableRequestConsumer consumer_;
+
+  std::string os_version_;
+  std::string firmware_version_;
+
   DISALLOW_COPY_AND_ASSIGN(DeviceStatusCollector);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_DEVICE_STATUS_COLLECTOR_H_