Introduce TaskRunner::RunsTasksInCurrentSequence()

base/test/test_mock_time_task_runner.cc

 // Copyright 2015 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/test/test_mock_time_task_runner.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 216 matching lines @@
 
 TimeDelta TestMockTimeTaskRunner::NextPendingTaskDelay() const {
   DCHECK(thread_checker_.CalledOnValidThread());
   return tasks_.empty() ? TimeDelta::Max()
                         : tasks_.top().GetTimeToRun() - now_ticks_;
 }
 
 // TODO(gab): Combine |thread_checker_| with a SequenceToken to differentiate
 // between tasks running in the scope of this TestMockTimeTaskRunner and other
 // task runners sharing this thread. http://crbug.com/631186
-bool TestMockTimeTaskRunner::RunsTasksOnCurrentThread() const {
+bool TestMockTimeTaskRunner::RunsTasksInCurrentSequence() const {
   return thread_checker_.CalledOnValidThread();
 }
 
 bool TestMockTimeTaskRunner::PostDelayedTask(
     const tracked_objects::Location& from_here,
     OnceClosure task,
     TimeDelta delay) {
   AutoLock scoped_lock(tasks_lock_);
   tasks_.push(TestOrderedPendingTask(from_here, std::move(task), now_ticks_,
                                      delay, next_task_ordinal_++,
@@ skipping 70 matching lines @@
     // It's safe to remove const and consume |task| here, since |task| is not
     // used for ordering the item.
     *next_task = std::move(const_cast<TestOrderedPendingTask&>(tasks_.top()));
     tasks_.pop();
     return true;
   }
   return false;
 }
 
 }  // namespace base