[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 b36150bfe4d1892848f6bedd1e5e50ea4f79ecbd..da8442084b869cb436868d1422a5554e6d5911f4 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
@@ -191,6 +191,7 @@ class BLINK_PLATFORM_EXPORT RendererSchedulerImpl
   void EndIdlePeriodForTesting(const base::Closure& callback,
                                base::TimeTicks time_remaining);
   bool PolicyNeedsUpdateForTesting();
+  WakeUpBudgetPool* GetWakeUpBudgetPoolForTesting();
 
   base::TickClock* tick_clock() const;
 
@@ -394,6 +395,8 @@ 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_;
@@ -473,6 +476,7 @@ 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 {