Introduce TaskRunner::RunsTasksInCurrentSequence()

media/base/fake_single_thread_task_runner.h

 // 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.
 
 #ifndef MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_
 #define MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_
 
 #include <map>
 
 #include "base/callback.h"
@@ skipping 10 matching lines @@
   void RunTasks();
 
   // Note: Advances |clock_|.
   void Sleep(base::TimeDelta t);
 
   // base::SingleThreadTaskRunner implementation.
   bool PostDelayedTask(const tracked_objects::Location& from_here,
                        base::OnceClosure task,
                        base::TimeDelta delay) final;
 
-  bool RunsTasksOnCurrentThread() const final;
+  bool RunsTasksInCurrentSequence() const final;
 
   // This function is currently not used, and will return false.
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
                                   base::OnceClosure task,
                                   base::TimeDelta delay) final;
 
  protected:
   ~FakeSingleThreadTaskRunner() final;
 
  private:
@@ skipping 10 matching lines @@
   std::map<TaskKey, base::OnceClosure> tasks_;
 
   bool fail_on_next_task_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeSingleThreadTaskRunner);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FAKE_SINGLE_THREAD_TASK_RUNNER_H_