[scheduler] Add WakeupBudgetPool.

third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h

Index: third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
diff --git a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
index 02be214e55591f00dd7fc00dd2c297678b504743..c6e22864214c9783d3836fc4420e081cef110020 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
+++ b/third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.h
@@ -157,6 +157,7 @@ class BLINK_PLATFORM_EXPORT TaskQueueImpl final : public TaskQueue {
   void InsertFence(InsertFencePosition position) override;
   void RemoveFence() override;
   bool BlockedByFence() const override;
+  bool HasFence() const override;
   const char* GetName() const override;
   QueueType GetQueueType() const override;
   void SetObserver(Observer* observer) override;
@@ -260,6 +261,8 @@ class BLINK_PLATFORM_EXPORT TaskQueueImpl final : public TaskQueue {
     TaskQueueManager* task_queue_manager;
     TimeDomain* time_domain;
     Observer* observer;
+
+    base::Optional<EnqueueOrder> current_enqueue_order;

[alex clarke (OOO till 29th), 2017/04/21 09:14:18]

This doesn't seem to be used?

[altimin, 2017/04/25 13:22:34]

Thanks, removed.

[alex clarke (OOO till 29th), 2017/05/02 10:51:54]

It's still there? :)

[altimin, 2017/05/02 18:16:58]

Finally gone.

   };
 
   struct MainThreadOnly {