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      1 // Copyright 2015 The Weave 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 LIBWEAVE_INCLUDE_WEAVE_PROVIDER_TASK_RUNNER_H_
      6 #define LIBWEAVE_INCLUDE_WEAVE_PROVIDER_TASK_RUNNER_H_
      7 
      8 #include <string>
      9 #include <utility>
     10 #include <vector>
     11 
     12 #include <base/callback.h>
     13 #include <base/location.h>
     14 #include <base/time/time.h>
     15 
     16 namespace weave {
     17 namespace provider {
     18 
     19 // Interface with methods to post tasks into platform-specific message loop of
     20 // the current thread.
     21 class TaskRunner {
     22  public:
     23   // Posts tasks to be executed with the given delay.
     24   // |from_here| argument is used for debugging and usually just provided by
     25   // FROM_HERE macro. Implementation may ignore this argument.
     26   virtual void PostDelayedTask(const tracked_objects::Location& from_here,
     27                                const base::Closure& task,
     28                                base::TimeDelta delay) = 0;
     29 
     30  protected:
     31   virtual ~TaskRunner() {}
     32 };
     33 
     34 }  // namespace provider
     35 }  // namespace weave
     36 
     37 #endif  // LIBWEAVE_INCLUDE_WEAVE_PROVIDER_TASK_RUNNER_H_
     38