Add device status reports to policy requests.

chrome/browser/idle.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_IDLE_H_
 #define CHROME_BROWSER_IDLE_H_
 #pragma once
 
 #include "base/callback.h"
 
 enum IdleState {
   IDLE_STATE_ACTIVE = 0,
-  IDLE_STATE_IDLE = 1,   // No activity within threshold.
+  IDLE_STATE_IDLE = 1,    // No activity within threshold.
   IDLE_STATE_LOCKED = 2,  // Only available on supported systems.
   IDLE_STATE_UNKNOWN = 3  // Used when waiting for the Idle state or in error
                           // conditions
 };
 
 // For MacOSX, InitIdleMonitor needs to be called first to setup the monitor.
 // StopIdleMonitor should be called if it is not needed any more.
 #if defined(OS_MACOSX)
 void InitIdleMonitor();
 void StopIdleMonitor();
 #endif
 
 typedef base::Callback<void(IdleState)> IdleCallback;
 
 // Calculate the Idle state and notify the callback.
 void CalculateIdleState(unsigned int idle_threshold, IdleCallback notify);
 
 // Checks synchronously if Idle state is IDLE_STATE_LOCKED.
 bool CheckIdleStateIsLocked();
 #endif  // CHROME_BROWSER_IDLE_H_