Migrate base::TaskRunner from Closure to OnceClosure

base/test/test_simple_task_runner.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/test/test_simple_task_runner.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 
 namespace base {
 
 TestSimpleTaskRunner::TestSimpleTaskRunner() = default;
 
 TestSimpleTaskRunner::~TestSimpleTaskRunner() = default;
 
 bool TestSimpleTaskRunner::PostDelayedTask(
     const tracked_objects::Location& from_here,
-    Closure task,
+    OnceClosure task,
     TimeDelta delay) {
   AutoLock auto_lock(lock_);
   pending_tasks_.push_back(TestPendingTask(from_here, std::move(task),
                                            TimeTicks(), delay,
                                            TestPendingTask::NESTABLE));
   return true;
 }
 
 bool TestSimpleTaskRunner::PostNonNestableDelayedTask(
     const tracked_objects::Location& from_here,
-    Closure task,
+    OnceClosure task,
     TimeDelta delay) {
   AutoLock auto_lock(lock_);
   pending_tasks_.push_back(TestPendingTask(from_here, std::move(task),
                                            TimeTicks(), delay,
                                            TestPendingTask::NON_NESTABLE));
   return true;
 }
 
 // TODO(gab): Use SequenceToken here to differentiate between tasks running in
 // the scope of this TestSimpleTaskRunner and other task runners sharing this
@@ skipping 54 matching lines @@
     std::move(task.task).Run();
 }
 
 void TestSimpleTaskRunner::RunUntilIdle() {
   while (!pending_tasks_.empty()) {
     RunPendingTasks();
   }
 }
 
 }  // namespace base