Introduce TaskRunner::RunsTasksInCurrentSequence()

base/threading/sequenced_worker_pool.h

 // 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.
 
 #ifndef BASE_THREADING_SEQUENCED_WORKER_POOL_H_
 #define BASE_THREADING_SEQUENCED_WORKER_POOL_H_
 
 #include <stddef.h>
 
 #include <cstddef>
@@ skipping 327 matching lines @@
   bool PostSequencedWorkerTaskWithShutdownBehavior(
       SequenceToken sequence_token,
       const tracked_objects::Location& from_here,
       OnceClosure task,
       WorkerShutdown shutdown_behavior);
 
   // TaskRunner implementation. Forwards to PostDelayedWorkerTask().
   bool PostDelayedTask(const tracked_objects::Location& from_here,
                        OnceClosure task,
                        TimeDelta delay) override;
-  bool RunsTasksOnCurrentThread() const override;
+  bool RunsTasksInCurrentSequence() const override;
 
   // Blocks until all pending tasks are complete. This should only be called in
   // unit tests when you want to validate something that should have happened.
   // Does not wait for delayed tasks. If redirection to TaskScheduler is
   // disabled, delayed tasks are deleted. If redirection to TaskScheduler is
   // enabled, this will wait for all tasks posted to TaskScheduler (not just
   // tasks posted to this SequencedWorkerPool).
   //
   // Note that calling this will not prevent other threads from posting work to
   // the queue while the calling thread is waiting on Flush(). In this case,
@@ skipping 50 matching lines @@
   // Avoid pulling in too many headers by putting (almost) everything
   // into |inner_|.
   const std::unique_ptr<Inner> inner_;
 
   DISALLOW_COPY_AND_ASSIGN(SequencedWorkerPool);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREADING_SEQUENCED_WORKER_POOL_H_