Revert of Fix computation of runtime for throttled tasks

components/scheduler/base/real_time_domain.cc

Index: components/scheduler/base/real_time_domain.cc
diff --git a/components/scheduler/base/real_time_domain.cc b/components/scheduler/base/real_time_domain.cc
index e084ee461ac9baecaaa0aedecf27c4d944b5dc75..bafd757ed63f2e8d89fa7f1557059a6da114d13a 100644
--- a/components/scheduler/base/real_time_domain.cc
+++ b/components/scheduler/base/real_time_domain.cc
@@ -30,12 +30,6 @@ base::TimeTicks RealTimeDomain::Now() const {
   return task_queue_manager_->delegate()->NowTicks();
 }
 
-base::TimeTicks RealTimeDomain::ComputeDelayedRunTime(
-    base::TimeTicks time_domain_now,
-    base::TimeDelta delay) const {
-  return time_domain_now + delay;
-}
-
 void RealTimeDomain::RequestWakeup(base::TimeTicks now, base::TimeDelta delay) {
   // NOTE this is only called if the scheduled runtime is sooner than any
   // previously scheduled runtime, or there is no (outstanding) previously
@@ -65,4 +59,5 @@ void RealTimeDomain::AsValueIntoInternal(
 const char* RealTimeDomain::GetName() const {
   return "RealTimeDomain";
 }
+
 }  // namespace scheduler