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      1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef BASE_WORKER_POOL_H_
      6 #define BASE_WORKER_POOL_H_
      7 
      8 #include "base/tracked.h"
      9 
     10 class Task;
     11 
     12 // This is a facility that runs tasks that don't require a specific thread or
     13 // a message loop.
     14 class WorkerPool {
     15  public:
     16   // This function posts |task| to run on a worker thread.  |task_is_slow|
     17   // should be used for tasks that will take a long time to execute.  Returns
     18   // false if |task| could not be posted to a worker thread.  Regardless of
     19   // return value, ownership of |task| is transferred to the worker pool.
     20   static bool PostTask(const tracked_objects::Location& from_here,
     21                        Task* task, bool task_is_slow);
     22 };
     23 
     24 #endif  // BASE_WORKER_POOL_H_
     25