Implement WebFrameScheduler and WebPageScheduler

components/scheduler/child/scheduler_helper.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_helper.h"
 
 #include "base/time/default_tick_clock.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "components/scheduler/child/scheduler_task_runner_delegate.h"
@@ skipping 46 matching lines @@
   task_queue_manager_.reset();
   main_task_runner_->RestoreDefaultTaskRunner();
 }
 
 scoped_refptr<TaskQueue> SchedulerHelper::NewTaskQueue(
     const TaskQueue::Spec& spec) {
   DCHECK(task_queue_manager_.get());
   return task_queue_manager_->NewTaskQueue(spec);
 }
 
+void SchedulerHelper::UnregisterTaskQueue(
+    scoped_refptr<TaskQueue>& task_queue) {
+  task_queue_manager_->UnregisterTaskQueue(
+      reinterpret_cast<scoped_refptr<internal::TaskQueueImpl>&>(task_queue));
+}
+
 scoped_refptr<TaskQueue> SchedulerHelper::DefaultTaskRunner() {
   CheckOnValidThread();
   return default_task_runner_;
 }
 
 scoped_refptr<TaskQueue> SchedulerHelper::ControlTaskRunner() {
   return control_task_runner_;
 }
 
 scoped_refptr<TaskQueue> SchedulerHelper::ControlAfterWakeUpTaskRunner() {
@@ skipping 41 matching lines @@
 }
 
 void SchedulerHelper::RemoveTaskObserver(
     base::MessageLoop::TaskObserver* task_observer) {
   CheckOnValidThread();
   if (task_queue_manager_)
     task_queue_manager_->RemoveTaskObserver(task_observer);
 }
 
 }  // namespace scheduler