Fix a bug that could occasionaly cause setInterval to stop

components/scheduler/base/virtual_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/virtual_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 15 matching lines @@
 LazyNow VirtualTimeDomain::CreateLazyNow() const {
   base::AutoLock lock(lock_);
   return LazyNow(now_);
 }
 
 base::TimeTicks VirtualTimeDomain::Now() const {
   base::AutoLock lock(lock_);
   return now_;
 }
 
-base::TimeTicks VirtualTimeDomain::ComputeDelayedRunTime(
-    base::TimeTicks time_domain_now,
-    base::TimeDelta delay) const {
-  return time_domain_now + delay;
+base::TimeTicks VirtualTimeDomain::BlinkNow() const {
+  base::AutoLock lock(lock_);
+  // The VirtualTimeDomain is special. Entering VirtualTimeDomain is intended
+  // to be an one way operation and we really do intend blink to use the virtual
+  // timebase.
+  return now_;
 }
 
 void VirtualTimeDomain::RequestWakeup(base::TimeTicks now,
                                       base::TimeDelta delay) {
   // We don't need to do anything here because the caller of AdvanceTo is
   // responsible for calling TaskQueueManager::MaybeScheduleImmediateWork if
   // needed.
 }
 
 bool VirtualTimeDomain::MaybeAdvanceTime() {
@@ skipping 11 matching lines @@
 
 void VirtualTimeDomain::RequestDoWork() {
   task_queue_manager_->MaybeScheduleImmediateWork(FROM_HERE);
 }
 
 const char* VirtualTimeDomain::GetName() const {
   return "VirtualTimeDomain";
 }
 
 }  // namespace scheduler