Fix a bug that could occasionaly cause setInterval to stop

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 e9c1c7185ad5b68e3f6946e09d771c3c8e4ff671..a452b978e9179cdec412463837625846cc7dbbdf 100644
--- a/components/scheduler/base/real_time_domain.cc
+++ b/components/scheduler/base/real_time_domain.cc
@@ -16,6 +16,12 @@ RealTimeDomain::RealTimeDomain(const char* tracing_category)
       tracing_category_(tracing_category),
       task_queue_manager_(nullptr) {}
 
+RealTimeDomain::RealTimeDomain(TimeDomain::Observer* observer,
+                               const char* tracing_category)
+    : TimeDomain(observer),
+      tracing_category_(tracing_category),
+      task_queue_manager_(nullptr) {}
+
 RealTimeDomain::~RealTimeDomain() {}
 
 void RealTimeDomain::OnRegisterWithTaskQueueManager(
@@ -32,12 +38,6 @@ 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