diff --git a/base/message_loop.cc b/base/message_loop.cc
index 0a6bf6c..33f2a5b 100644
--- a/base/message_loop.cc
+++ b/base/message_loop.cc
@@ -472,10 +472,10 @@
       tracked_objects::ThreadData::NowForStartOfRun(pending_task.birth_tally);
 
   FOR_EACH_OBSERVER(TaskObserver, task_observers_,
-                    WillProcessTask(pending_task.time_posted));
+                    WillProcessTask(pending_task));
   pending_task.task.Run();
   FOR_EACH_OBSERVER(TaskObserver, task_observers_,
-                    DidProcessTask(pending_task.time_posted));
+                    DidProcessTask(pending_task));
 
   tracked_objects::ThreadData::TallyRunOnNamedThreadIfTracking(pending_task,
       start_time, tracked_objects::ThreadData::NowForEndOfRun());