Introduce TaskRunner::RunsTasksInCurrentSequence()

third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.cc

 // Copyright 2014 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.
 
 #include "platform/scheduler/base/task_queue_manager.h"
 
 #include <queue>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 44 matching lines @@
     : real_time_domain_(new RealTimeDomain()),
       delegate_(delegate),
       task_was_run_on_quiescence_monitored_queue_(false),
       record_task_delay_histograms_(true),
       work_batch_size_(1),
       task_count_(0),
       currently_executing_task_queue_(nullptr),
       observer_(nullptr),
       deletion_sentinel_(new DeletionSentinel()),
       weak_factory_(this) {
-  DCHECK(delegate->RunsTasksOnCurrentThread());
+  DCHECK(delegate->RunsTasksInCurrentSequence());
   TRACE_EVENT_OBJECT_CREATED_WITH_ID(
       TRACE_DISABLED_BY_DEFAULT("renderer.scheduler"), "TaskQueueManager",
       this);
   selector_.SetTaskQueueSelectorObserver(this);
 
   delayed_do_work_closure_ =
       base::Bind(&TaskQueueManager::DoWork, weak_factory_.GetWeakPtr(), true);
   immediate_do_work_closure_ =
       base::Bind(&TaskQueueManager::DoWork, weak_factory_.GetWeakPtr(), false);
 
@@ skipping 486 matching lines @@
   // Record delayed task lateness and immediate task queuing durations.
   if (!pending_task.delayed_run_time.is_null()) {
     RecordDelayedTaskLateness(delegate_->NowTicks() -
                               pending_task.delayed_run_time);
   } else if (!pending_task.time_posted.is_null()) {
     RecordImmediateTaskQueueingDuration(tracked_objects::TrackedTime::Now() -
                                         pending_task.time_posted);
   }
 }
 
-bool TaskQueueManager::RunsTasksOnCurrentThread() const {
-  return delegate_->RunsTasksOnCurrentThread();
+bool TaskQueueManager::RunsTasksInCurrentSequence() const {
+  return delegate_->RunsTasksInCurrentSequence();
 }
 
 void TaskQueueManager::SetWorkBatchSize(int work_batch_size) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
   DCHECK_GE(work_batch_size, 1);
   work_batch_size_ = work_batch_size;
 }
 
 void TaskQueueManager::AddTaskObserver(
     base::MessageLoop::TaskObserver* task_observer) {
@@ skipping 120 matching lines @@
   for (const scoped_refptr<internal::TaskQueueImpl>& queue : queues_) {
     TimeDomain* time_domain = queue->GetTimeDomain();
     if (time_domain_now.find(time_domain) == time_domain_now.end())
       time_domain_now.insert(std::make_pair(time_domain, time_domain->Now()));
     queue->SweepCanceledDelayedTasks(time_domain_now[time_domain]);
   }
 }
 
 }  // namespace scheduler
 }  // namespace blink