(reland) Adds TimeDomains to the TaskQueueManager

components/scheduler/base/task_queue_manager.h

Index: components/scheduler/base/task_queue_manager.h
diff --git a/components/scheduler/base/task_queue_manager.h b/components/scheduler/base/task_queue_manager.h
index 002c4bc351a7d7fba8b4be655d326ce16f10bc42..c66cc16b55c9494352b10eedcb6b5e33924974fb 100644
--- a/components/scheduler/base/task_queue_manager.h
+++ b/components/scheduler/base/task_queue_manager.h
@@ -34,6 +34,7 @@ class LazyNow;
 class TaskQueueImpl;
 }  // namespace internal
 
+class DelayedTaskDelegate;
 class TaskQueueManagerDelegate;
 
 // The task queue manager provides N task queues and a selector interface for
@@ -178,21 +179,6 @@ class SCHEDULER_EXPORT TaskQueueManager
   // from the thread the TaskQueueManager was created on.
   void UnregisterAsUpdatableTaskQueue(internal::TaskQueueImpl* queue);
 
-  // Schedule a call to DoWork at |delayed_run_time| which indirectly calls
-  // TaskQueueImpl::MoveReadyDelayedTasksToIncomingQueue for |queue|.
-  // Can be called from any thread.
-  void ScheduleDelayedWork(internal::TaskQueueImpl* queue,
-                           base::TimeTicks delayed_run_time,
-                           internal::LazyNow* lazy_now);
-
-  // Function calling ScheduleDelayedWork that's suitable for use in base::Bind.
-  void ScheduleDelayedWorkTask(scoped_refptr<internal::TaskQueueImpl> queue,
-                               base::TimeTicks delayed_run_time);
-
-  // Call TaskQueueImpl::MoveReadyDelayedTasksToIncomingQueue for each
-  // registered queue for which the delay has elapsed.
-  void WakeupReadyDelayedQueues(internal::LazyNow* lazy_now);
-
   void MoveNewlyUpdatableQueuesIntoUpdatableQueueSet();
 
   std::set<scoped_refptr<internal::TaskQueueImpl>> queues_;
@@ -210,11 +196,6 @@ class SCHEDULER_EXPORT TaskQueueManager
   // only be accessed from the main thread.
   std::set<internal::TaskQueueImpl*> updatable_queue_set_;
 
-  typedef std::multimap<base::TimeTicks, internal::TaskQueueImpl*>
-      DelayedWakeupMultimap;
-
-  DelayedWakeupMultimap delayed_wakeup_multimap_;
-
   base::AtomicSequenceNumber task_sequence_num_;
   base::debug::TaskAnnotator task_annotator_;
 
@@ -241,6 +222,7 @@ class SCHEDULER_EXPORT TaskQueueManager
 
   Observer* observer_;  // NOT OWNED
   scoped_refptr<DeletionSentinel> deletion_sentinel_;
+  scoped_refptr<DelayedTaskDelegate> delayed_task_delegate_;
   base::WeakPtrFactory<TaskQueueManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskQueueManager);