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 // Copyright (c) 2006-2008 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_WORKER_POOL_H_

 #define BASE_WORKER_POOL_H_

 #include "base/tracked.h"

 class Task;

 // This is a facility that runs tasks that don't require a specific thread or

 // a message loop.

 class WorkerPool {

  public:

   // This function posts |task| to run on a worker thread.  |task_is_slow|

   // should be used for tasks that will take a long time to execute.  Returns

   // false if |task| could not be posted to a worker thread.  Regardless of

   // return value, ownership of |task| is transferred to the worker pool.

   static bool PostTask(const tracked_objects::Location& from_here,

                        Task* task, bool task_is_slow);

 };

 #endif  // BASE_WORKER_POOL_H_