Closing a persistent notification should be aware of the origin.

content/browser/notifications/notification_message_filter.cc

Index: content/browser/notifications/notification_message_filter.cc
diff --git a/content/browser/notifications/notification_message_filter.cc b/content/browser/notifications/notification_message_filter.cc
index b41b3781bac8ea36b69236c066ff45ff98b877c1..9d2976ba8e6006fee2a574818d62056c7f29f076 100644
--- a/content/browser/notifications/notification_message_filter.cc
+++ b/content/browser/notifications/notification_message_filter.cc
@@ -129,6 +129,7 @@ void NotificationMessageFilter::OnClosePlatformNotification(
 }
 
 void NotificationMessageFilter::OnClosePersistentNotification(
+    const GURL& origin,
     const std::string& persistent_notification_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
@@ -136,6 +137,9 @@ void NotificationMessageFilter::OnClosePersistentNotification(
       GetContentClient()->browser()->GetPlatformNotificationService();
   DCHECK(service);
 
+  // TODO(peter): Use |service_worker_registration_id| and |origin| when feeding
+  // the close event through the notification database.
+
   service->ClosePersistentNotification(browser_context_,
                                        persistent_notification_id);
 }