Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

chrome/browser/notifications/notification_ui_manager.cc

Index: chrome/browser/notifications/notification_ui_manager.cc
diff --git a/chrome/browser/notifications/notification_ui_manager.cc b/chrome/browser/notifications/notification_ui_manager.cc
index f4ed3d83ad8c1de4c2496b53a0c942cc7a8694fd..a2fdf2446f186116cf84fff6374fcb0594fde950 100644
--- a/chrome/browser/notifications/notification_ui_manager.cc
+++ b/chrome/browser/notifications/notification_ui_manager.cc
@@ -164,7 +164,7 @@ void NotificationUIManager::CheckUserState() {
     ShowNotifications();
   } else if (!user_state_check_timer_.IsRunning()) {
     // Start a timer to detect the moment at which the user becomes active.
-    user_state_check_timer_.Start(FROM_HERE,
+    user_state_check_timer_.Start(
         base::TimeDelta::FromSeconds(kUserStatePollingIntervalSeconds), this,
         &NotificationUIManager::CheckUserState);
   }