Replace Closure in TaskRunner::PostTask with OneShotCallback

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 "base/logging.h"
 
 namespace base {
 
 TestSimpleTaskRunner::TestSimpleTaskRunner() = default;
 
 TestSimpleTaskRunner::~TestSimpleTaskRunner() = default;
 
 bool TestSimpleTaskRunner::PostDelayedTask(
     const tracked_objects::Location& from_here,
-    const Closure& task,
+    OnceClosure task,
     TimeDelta delay) {
   AutoLock auto_lock(lock_);
-  pending_tasks_.push_back(
-      TestPendingTask(from_here, task, TimeTicks(), delay,
-                      TestPendingTask::NESTABLE));
+  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,
-    const Closure& task,
+    OnceClosure task,
     TimeDelta delay) {
   AutoLock auto_lock(lock_);
-  pending_tasks_.push_back(
-      TestPendingTask(from_here, task, TimeTicks(), delay,
-                      TestPendingTask::NON_NESTABLE));
+  pending_tasks_.push_back(TestPendingTask(from_here, std::move(task),
+                                           TimeTicks(), delay,
+                                           TestPendingTask::NON_NESTABLE));
   return true;
 }
 
 bool TestSimpleTaskRunner::RunsTasksOnCurrentThread() const {
   return thread_ref_ == PlatformThread::CurrentRef();
 }
 
 std::deque<TestPendingTask> TestSimpleTaskRunner::TakePendingTasks() {
   AutoLock auto_lock(lock_);
   return std::move(pending_tasks_);
@@ skipping 33 matching lines @@
 void TestSimpleTaskRunner::RunPendingTasks() {
   DCHECK(RunsTasksOnCurrentThread());
 
   // Swap with a local variable to avoid re-entrancy problems.
   std::deque<TestPendingTask> tasks_to_run;
   {
     AutoLock auto_lock(lock_);
     tasks_to_run.swap(pending_tasks_);
   }
 
-  for (const auto& task : tasks_to_run)
-    task.task.Run();
+  for (auto& task : tasks_to_run)
+    std::move(task.task).Run();
 }
 
 void TestSimpleTaskRunner::RunUntilIdle() {
   while (!pending_tasks_.empty()) {
     RunPendingTasks();
   }
 }
 
 }  // namespace base