Redirect the MessageLoop's task runner to the renderer scheduler

components/scheduler/child/scheduler_task_runner_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 "components/scheduler/child/scheduler_task_runner_delegate_for_test.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "components/scheduler/child/nestable_task_runner_for_test.h"
+
+namespace scheduler {
+
+// static
+scoped_refptr<SchedulerTaskRunnerDelegateForTest>
+SchedulerTaskRunnerDelegateForTest::Create(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
+  return make_scoped_refptr(
+      new SchedulerTaskRunnerDelegateForTest(task_runner));
+}
+
+SchedulerTaskRunnerDelegateForTest::SchedulerTaskRunnerDelegateForTest(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
+    : task_runner_(NestableTaskRunnerForTest::Create(task_runner)) {}
+
+SchedulerTaskRunnerDelegateForTest::~SchedulerTaskRunnerDelegateForTest() {}
+
+void SchedulerTaskRunnerDelegateForTest::SetDefaultTaskRunner(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
+  default_task_runner_ = task_runner.Pass();
+}
+
+void SchedulerTaskRunnerDelegateForTest::RestoreDefaultTaskRunner() {
+  default_task_runner_ = nullptr;
+}
+
+bool SchedulerTaskRunnerDelegateForTest::PostDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    base::TimeDelta delay) {
+  return task_runner_->PostDelayedTask(from_here, task, delay);
+}
+
+bool SchedulerTaskRunnerDelegateForTest::PostNonNestableDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    base::TimeDelta delay) {
+  return task_runner_->PostNonNestableDelayedTask(from_here, task, delay);
+}
+
+bool SchedulerTaskRunnerDelegateForTest::RunsTasksOnCurrentThread() const {
+  return task_runner_->RunsTasksOnCurrentThread();
+}
+
+bool SchedulerTaskRunnerDelegateForTest::IsNested() const {
+  return task_runner_->IsNested();
+}
+
+void SchedulerTaskRunnerDelegateForTest::AddTaskObserver(
+    base::MessageLoop::TaskObserver* task_observer) {
+  task_runner_->AddTaskObserver(task_observer);
+}
+
+void SchedulerTaskRunnerDelegateForTest::RemoveTaskObserver(
+    base::MessageLoop::TaskObserver* task_observer) {
+  task_runner_->RemoveTaskObserver(task_observer);
+}
+
+}  // namespace scheduler