Introduce TaskRunner::RunsTasksInCurrentSequence()

base/task_runner.cc

 // Copyright (c) 2012 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 "base/task_runner.h"
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 36 matching lines @@
   return PostDelayedTask(from_here, std::move(task), base::TimeDelta());
 }
 
 bool TaskRunner::PostTaskAndReply(const tracked_objects::Location& from_here,
                                   OnceClosure task,
                                   OnceClosure reply) {
   return PostTaskAndReplyTaskRunner(this).PostTaskAndReply(
       from_here, std::move(task), std::move(reply));
 }
 
+bool TaskRunner::RunsTasksOnCurrentThread() const {
+  return RunsTasksInCurrentSequence();
+}
+
 TaskRunner::TaskRunner() {}
 
 TaskRunner::~TaskRunner() {}
 
 void TaskRunner::OnDestruct() const {
   delete this;
 }
 
 void TaskRunnerTraits::Destruct(const TaskRunner* task_runner) {
   task_runner->OnDestruct();
 }
 
 }  // namespace base