[scheduler] Add WakeupBudgetPool.

third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.h

Index: third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.h
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.h b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.h
index 818eb639dbfe67e4fb27a2d974a4ea06b808e645..f62fcf8901c08ee150a8c7714ac068ec45bb28bf 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.h
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.h
@@ -380,6 +380,8 @@ class BLINK_PLATFORM_EXPORT RendererSchedulerImpl
 
   bool ShouldDisableThrottlingBecauseOfAudio(base::TimeTicks now);
 
+  void AddQueueToWakeupBudgetPool(TaskQueue* queue);
+
   SchedulerHelper helper_;
   IdleHelper idle_helper_;
   IdleCanceledDelayedTaskSweeper idle_canceled_delayed_task_sweeper_;
@@ -459,6 +461,7 @@ class BLINK_PLATFORM_EXPORT RendererSchedulerImpl
     bool is_audio_playing;
     std::set<WebViewSchedulerImpl*> web_view_schedulers;  // Not owned.
     RAILModeObserver* rail_mode_observer;                 // Not owned.
+    WakeupBudgetPool* wake_up_budget_pool;                // Not owned.
   };
 
   struct AnyThread {