Fix computation of runtime for throttled tasks

components/scheduler/base/real_time_domain.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/scheduler/base/real_time_domain.h"
 
 #include "base/bind.h"
 #include "components/scheduler/base/task_queue_impl.h"
 #include "components/scheduler/base/task_queue_manager.h"
 #include "components/scheduler/base/task_queue_manager_delegate.h"
@@ skipping 12 matching lines @@
 }
 
 LazyNow RealTimeDomain::CreateLazyNow() const {
   return task_queue_manager_->CreateLazyNow();
 }
 
 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
   // scheduled runtime.
   task_queue_manager_->MaybeScheduleDelayedWork(FROM_HERE, now, delay);
 }
 
 bool RealTimeDomain::MaybeAdvanceTime() {
   base::TimeTicks next_run_time;
   if (!NextScheduledRunTime(&next_run_time))
     return false;
 
   base::TimeTicks now = Now();
   if (now >= next_run_time)
     return true;  // Causes DoWork to post a continuation.
 
   // The next task is sometime in the future, make sure we schedule a DoWork to
   // run it.
   task_queue_manager_->MaybeScheduleDelayedWork(FROM_HERE, now,
                                                 next_run_time - now);
   return false;
 }
 
 void RealTimeDomain::AsValueIntoInternal(
     base::trace_event::TracedValue* state) const {}
 
 const char* RealTimeDomain::GetName() const {
   return "RealTimeDomain";
 }
-
 }  // namespace scheduler