Make blink platform time consistent with the timer virtual time

components/scheduler/base/task_queue_manager_delegate_for_test.cc

Index: components/scheduler/base/task_queue_manager_delegate_for_test.cc
diff --git a/components/scheduler/base/task_queue_manager_delegate_for_test.cc b/components/scheduler/base/task_queue_manager_delegate_for_test.cc
index d1d2316d34a295999ab13f2f4434b9ff34987dcb..fe3d0e5c90b93613823d424a22d2818910366c63 100644
--- a/components/scheduler/base/task_queue_manager_delegate_for_test.cc
+++ b/components/scheduler/base/task_queue_manager_delegate_for_test.cc
@@ -51,6 +51,10 @@ base::TimeTicks TaskQueueManagerDelegateForTest::NowTicks() {
   return time_source_->NowTicks();
 }
 
+double TaskQueueManagerDelegateForTest::CurrentTimeSeconds() const {
+  return (time_source_->NowTicks() - base::TimeTicks::UnixEpoch()).InSecondsF();
+}
+
 void TaskQueueManagerDelegateForTest::OnNoMoreImmediateWork() {}
 
 }  // namespace scheduler