Implement WebFrameScheduler and WebPageScheduler

components/scheduler/child/task_queue_manager.h

Index: components/scheduler/child/task_queue_manager.h
diff --git a/components/scheduler/child/task_queue_manager.h b/components/scheduler/child/task_queue_manager.h
index 384074fbc7e184bd93c1663a0eceb9c54b8face7..032c3e6034d59bfba5803a47786c57866ac8d45d 100644
--- a/components/scheduler/child/task_queue_manager.h
+++ b/components/scheduler/child/task_queue_manager.h
@@ -88,6 +88,12 @@ class SCHEDULER_EXPORT TaskQueueManager
   scoped_refptr<internal::TaskQueueImpl> NewTaskQueue(
       const TaskQueue::Spec& spec);
 
+  // Unregisters a TaskQueue previously created by |NewTaskQueue()|.
+  // NOTE we have to flush the queue from |newly_updatable_| which means as a
+  // side effect MoveNewlyUpdatableQueuesIntoUpdatableQueueSet is called by this
+  // function.
+  void UnregisterTaskQueue(scoped_refptr<internal::TaskQueueImpl> task_queue);

[Sami, 2015/09/10 12:51:58]

Could this method be on the TaskQueue instead?

nit: the description doesn't really say what this function does from the
perspective of the caller.

[alex clarke (OOO till 29th), 2015/09/10 14:35:58]

Yes, DONE.

+
  private:
   friend class internal::LazyNow;
   friend class internal::TaskQueueImpl;
@@ -99,12 +105,6 @@ class SCHEDULER_EXPORT TaskQueueManager
     ~DeletionSentinel() {}
   };
 
-  // Unregisters a TaskQueue previously created by |NewTaskQueue()|.
-  // NOTE we have to flush the queue from |newly_updatable_| which means as a
-  // side effect MoveNewlyUpdatableQueuesIntoUpdatableQueueSet is called by this
-  // function.
-  void UnregisterTaskQueue(scoped_refptr<internal::TaskQueueImpl> task_queue);
-
   // TaskQueueSelector::Observer implementation:
   void OnTaskQueueEnabled(internal::TaskQueueImpl* queue) override;