[scheduler]: Avoid waking up the scheduler to end long idle periods.

components/scheduler/renderer/renderer_scheduler_impl.cc

Index: components/scheduler/renderer/renderer_scheduler_impl.cc
diff --git a/components/scheduler/renderer/renderer_scheduler_impl.cc b/components/scheduler/renderer/renderer_scheduler_impl.cc
index 48c4c1b2228d3de8dd51845e05841d517f37a517..caa8c21f6d76b54134003481210dfdd7b8f97bdd 100644
--- a/components/scheduler/renderer/renderer_scheduler_impl.cc
+++ b/components/scheduler/renderer/renderer_scheduler_impl.cc
@@ -136,7 +136,7 @@ void RendererSchedulerImpl::DidCommitFrameToCompositor() {
     // the next pending delayed tasks (as currently done in for long idle times)
     idle_helper_.StartIdlePeriod(
         IdleHelper::IdlePeriodState::IN_SHORT_IDLE_PERIOD, now,
-        estimated_next_frame_begin_, true);
+        estimated_next_frame_begin_);
   }
 }
 
@@ -304,9 +304,7 @@ bool RendererSchedulerImpl::ShouldYieldForHighPriorityWork() {
 
 base::TimeTicks RendererSchedulerImpl::CurrentIdleTaskDeadlineForTesting()
     const {
-  base::TimeTicks deadline;
-  idle_helper_.CurrentIdleTaskDeadlineCallback(&deadline);
-  return deadline;
+  return idle_helper_.CurrentIdleTaskDeadline();
 }
 
 RendererSchedulerImpl::Policy RendererSchedulerImpl::SchedulerPolicy() const {