Pass Callback to TaskRunner by value and consume it on invocation (1)

third_party/WebKit/Source/platform/scheduler/base/task_queue_manager_delegate_for_test.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 "platform/scheduler/base/task_queue_manager_delegate_for_test.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 12 matching lines @@
 
 TaskQueueManagerDelegateForTest::TaskQueueManagerDelegateForTest(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     std::unique_ptr<base::TickClock> time_source)
     : task_runner_(task_runner), time_source_(std::move(time_source)) {}
 
 TaskQueueManagerDelegateForTest::~TaskQueueManagerDelegateForTest() {}
 
 bool TaskQueueManagerDelegateForTest::PostDelayedTask(
     const tracked_objects::Location& from_here,
-    const base::Closure& task,
+    base::Closure task,
     base::TimeDelta delay) {
-  return task_runner_->PostDelayedTask(from_here, task, delay);
+  return task_runner_->PostDelayedTask(from_here, std::move(task), delay);
 }
 
 bool TaskQueueManagerDelegateForTest::PostNonNestableDelayedTask(
     const tracked_objects::Location& from_here,
-    const base::Closure& task,
+    base::Closure task,
     base::TimeDelta delay) {
-  return task_runner_->PostNonNestableDelayedTask(from_here, task, delay);
+  return task_runner_->PostNonNestableDelayedTask(from_here, std::move(task),
+                                                  delay);
 }
 
 bool TaskQueueManagerDelegateForTest::RunsTasksOnCurrentThread() const {
   return task_runner_->RunsTasksOnCurrentThread();
 }
 
 bool TaskQueueManagerDelegateForTest::IsNested() const {
   return false;
 }
 
 void TaskQueueManagerDelegateForTest::AddNestingObserver(
     base::MessageLoop::NestingObserver* observer) {}
 
 void TaskQueueManagerDelegateForTest::RemoveNestingObserver(
     base::MessageLoop::NestingObserver* observer) {}
 
 base::TimeTicks TaskQueueManagerDelegateForTest::NowTicks() {
   return time_source_->NowTicks();
 }
 
 }  // namespace scheduler
 }  // namespace blink