[Cherrypick try #2] Fix computation of runtime for throttled tasks

components/scheduler/base/virtual_time_domain.h

Index: components/scheduler/base/virtual_time_domain.h
diff --git a/components/scheduler/base/virtual_time_domain.h b/components/scheduler/base/virtual_time_domain.h
index 6091b31ddad1e46c2d5316a9e8cadc4d3f2c95ec..59f615f328657d23185bf9c48590391e04a33a4e 100644
--- a/components/scheduler/base/virtual_time_domain.h
+++ b/components/scheduler/base/virtual_time_domain.h
@@ -20,6 +20,8 @@ class SCHEDULER_EXPORT VirtualTimeDomain : public TimeDomain {
 
   // TimeDomain implementation:
   LazyNow CreateLazyNow() override;
+  base::TimeTicks ComputeDelayedRunTime(base::TimeTicks time_domain_now,
+                                        base::TimeDelta delay) const override;
   bool MaybeAdvanceTime() override;
   const char* GetName() const override;