Fix system notifications incorrectly marked as type WEB_PAGE

ui/message_center/popup_timer.cc

Index: ui/message_center/popup_timer.cc
diff --git a/ui/message_center/popup_timer.cc b/ui/message_center/popup_timer.cc
index f2f9c5e015bbde89e53dbb257cd6a1f65028a7a8..dc27866b60b0d3699bfb9b600b4a3467ab8631a3 100644
--- a/ui/message_center/popup_timer.cc
+++ b/ui/message_center/popup_timer.cc
@@ -16,10 +16,10 @@ namespace message_center {
 namespace {
 
 base::TimeDelta GetTimeoutForNotification(Notification* notification) {
-  if (notification->priority() > message_center::DEFAULT_PRIORITY)
+  if (notification->priority() > DEFAULT_PRIORITY)
     return base::TimeDelta::FromSeconds(kAutocloseHighPriorityDelaySeconds);
-  if (notification->is_web_notification())
-    return base::TimeDelta::FromSeconds(kAutocloseWebNotificationDelaySeconds);
+  if (notification->notifier_id().type == NotifierId::WEB_PAGE)
+    return base::TimeDelta::FromSeconds(kAutocloseWebPageDelaySeconds);
   return base::TimeDelta::FromSeconds(kAutocloseDefaultDelaySeconds);
 }