[scheduler] Move task alignment into WakeUpBudgetPool.

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

Index: third_party/WebKit/Source/platform/scheduler/renderer/wake_up_budget_pool.h
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/wake_up_budget_pool.h b/third_party/WebKit/Source/platform/scheduler/renderer/wake_up_budget_pool.h
index 26ab1f26d2e651060ed0d708dc51e78ff9828e23..8a83a09736f719da3eb273f55333c38ed065800a 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/wake_up_budget_pool.h
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/wake_up_budget_pool.h
@@ -26,7 +26,7 @@ class PLATFORM_EXPORT WakeUpBudgetPool : public BudgetPool {
 
   // Note: this does not have an immediate effect and should be called only
   // during initialization of a WakeUpBudgetPool.
-  void SetWakeUpRate(double wakeups_per_second);
+  void SetWakeUpRate(double wake_ups_per_second);
 
   // Note: this does not have an immediate effect and should be called only
   // during initialization of a WakeUpBudgetPool.
@@ -50,12 +50,10 @@ class PLATFORM_EXPORT WakeUpBudgetPool : public BudgetPool {
   QueueBlockType GetBlockType() const final;
 
  private:
-  base::Optional<base::TimeTicks> NextWakeUp() const;
+  base::TimeDelta wake_up_interval_;
+  base::TimeDelta wake_up_duration_;
 
-  double wakeups_per_second_;
-  base::TimeDelta wakeup_duration_;
-
-  base::Optional<base::TimeTicks> last_wakeup_;
+  base::Optional<base::TimeTicks> last_wake_up_;
 
   DISALLOW_COPY_AND_ASSIGN(WakeUpBudgetPool);
 };