1 // Copyright 2017 The Chromium 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 #include "mojo/public/cpp/bindings/lib/task_runner_helper.h" 6 7 #include "base/sequenced_task_runner.h" 8 #include "base/threading/sequenced_task_runner_handle.h" 9 10 namespace mojo { 11 namespace internal { 12 13 scoped_refptr<base::SequencedTaskRunner> GetTaskRunnerToUseFromUserProvidedTaskRunner(scoped_refptr<base::SequencedTaskRunner> runner)14GetTaskRunnerToUseFromUserProvidedTaskRunner( 15 scoped_refptr<base::SequencedTaskRunner> runner) { 16 if (runner) { 17 DCHECK(runner->RunsTasksInCurrentSequence()); 18 return runner; 19 } 20 return base::SequencedTaskRunnerHandle::Get(); 21 } 22 23 } // namespace internal 24 } // namespace mojo 25