TaskScheduler [6] SchedulerWorkerThread

base/task_scheduler/sequence_sort_key.h

 // Copyright 2016 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_TASK_SCHEDULER_SEQUENCE_SORT_KEY_H_
 #define BASE_TASK_SCHEDULER_SEQUENCE_SORT_KEY_H_
 
 #include "base/base_export.h"
 #include "base/task_scheduler/task_traits.h"
 #include "base/time/time.h"
 
 namespace base {
 namespace internal {
 
 // An immutable representation of the priority of a Sequence.
 struct BASE_EXPORT SequenceSortKey final {
+  SequenceSortKey();
   SequenceSortKey(TaskPriority priority, TimeTicks next_task_sequenced_time);
 
   bool operator<(const SequenceSortKey& other) const;
   bool operator>(const SequenceSortKey& other) const;
 
   // Highest task priority in the sequence at the time this sort key was
   // created.
   const TaskPriority priority;
 
   // Sequenced time of the next task to run in the sequence at the time this
   // sort key was created.
   const TimeTicks next_task_sequenced_time;
 };
 
 }  // namespace internal
 }  // namespace base
 
 #endif  // BASE_TASK_SCHEDULER_SEQUENCE_SORT_KEY_H_