Introduce TaskRunner::RunsTasksInCurrentSequence()

base/threading/worker_pool_posix.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/threading/worker_pool_posix.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 108 matching lines @@
   g_lazy_worker_pool.Pointer()->PostTask(from_here, std::move(task),
                                          task_is_slow);
   return true;
 }
 
 // static
 bool WorkerPool::RunsTasksOnCurrentThread() {
   return g_worker_pool_running_on_this_thread.Get().Get();
 }
 
+bool WorkerPool::RunsTasksInCurrentSequence() {

[gab, 2017/04/18 15:00:33]

// static

above.

+  return g_worker_pool_running_on_this_thread.Get().Get();
+}
+
 PosixDynamicThreadPool::PosixDynamicThreadPool(const std::string& name_prefix,
                                                int idle_seconds_before_exit)
     : name_prefix_(name_prefix),
       idle_seconds_before_exit_(idle_seconds_before_exit),
       pending_tasks_available_cv_(&lock_),
       num_idle_threads_(0) {}
 
 PosixDynamicThreadPool::~PosixDynamicThreadPool() {
   while (!pending_tasks_.empty())
     pending_tasks_.pop();
@@ skipping 42 matching lines @@
       return PendingTask(FROM_HERE, base::Closure());
     }
   }
 
   PendingTask pending_task = std::move(pending_tasks_.front());
   pending_tasks_.pop();
   return pending_task;
 }
 
 }  // namespace base