| // Copyright 2014 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 BASE_MESSAGE_LOOP_TIMER_SLACK_H_ | 
 | #define BASE_MESSAGE_LOOP_TIMER_SLACK_H_ | 
 |  | 
 | namespace base { | 
 |  | 
 | // Amount of timer slack to use for delayed timers.  Increasing timer slack | 
 | // allows the OS to coalesce timers more effectively. | 
 | enum TimerSlack { | 
 |   // Lowest value for timer slack allowed by OS. | 
 |   TIMER_SLACK_NONE, | 
 |  | 
 |   // Maximal value for timer slack allowed by OS. | 
 |   TIMER_SLACK_MAXIMUM | 
 | }; | 
 |  | 
 | }  // namespace base | 
 |  | 
 | #endif  // BASE_MESSAGE_LOOP_TIMER_SLACK_H_ |