[scheduler] Implement time-based cpu throttling.

third_party/WebKit/Source/platform/scheduler/base/time_domain.cc

Index: third_party/WebKit/Source/platform/scheduler/base/time_domain.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/base/time_domain.cc b/third_party/WebKit/Source/platform/scheduler/base/time_domain.cc
index 71a6c07469c8f26e94e1171c5d3c55bd2380582c..799f28181cfb8e4e77ce108b12c0974bbc096e14 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/time_domain.cc
+++ b/third_party/WebKit/Source/platform/scheduler/base/time_domain.cc
@@ -81,7 +81,7 @@ void TimeDomain::ScheduleDelayedWork(internal::TaskQueueImpl* queue,
 
   delayed_wakeup_multimap_.insert(std::make_pair(delayed_run_time, queue));
   if (observer_)
-    observer_->OnTimeDomainHasDelayedWork();
+    observer_->OnTimeDomainHasDelayedWork(queue);
 }
 
 void TimeDomain::CancelDelayedWork(internal::TaskQueueImpl* queue,
@@ -127,7 +127,7 @@ void TimeDomain::RegisterAsUpdatableTaskQueue(internal::TaskQueueImpl* queue) {
     newly_updatable_.push_back(queue);
   }
   if (observer_)
-    observer_->OnTimeDomainHasImmediateWork();
+    observer_->OnTimeDomainHasImmediateWork(queue);
 }
 
 bool TimeDomain::UnregisterAsUpdatableTaskQueue(