[renderer] Enable long idle times in the Blink Scheduler.

content/renderer/scheduler/renderer_scheduler_impl.h

Index: content/renderer/scheduler/renderer_scheduler_impl.h
diff --git a/content/renderer/scheduler/renderer_scheduler_impl.h b/content/renderer/scheduler/renderer_scheduler_impl.h
index e663cf960cabb74601dbda628fbd990149fa4ff5..7e3ec6c7dfb9936e4c1f6a6de100c232caa04313 100644
--- a/content/renderer/scheduler/renderer_scheduler_impl.h
+++ b/content/renderer/scheduler/renderer_scheduler_impl.h
@@ -53,8 +53,6 @@ class CONTENT_EXPORT RendererSchedulerImpl : public RendererScheduler {
 
   void SetTimeSourceForTesting(scoped_refptr<cc::TestNowSource> time_source);
   void SetWorkBatchSizeForTesting(size_t work_batch_size);
-  // TODO(rmcilroy): Remove this when http://crbug.com/467655 is fixed.
-  void SetLongIdlePeriodsEnabledForTesting(bool long_idle_periods_enabled);
 
  private:
   friend class RendererSchedulerImplTest;
@@ -216,9 +214,6 @@ class CONTENT_EXPORT RendererSchedulerImpl : public RendererScheduler {
   Policy current_policy_;
   IdlePeriodState idle_period_state_;
 
-    // TODO(rmcilroy): Remove this when http://crbug.com/467655 is fixed.
-  bool long_idle_periods_enabled_;
-
   base::TimeTicks estimated_next_frame_begin_;
   base::TimeTicks current_policy_expiration_time_;