--- a/dom/html/HTMLTrackElement.cpp
+++ b/dom/html/HTMLTrackElement.cpp
@@ -209,17 +209,19 @@ HTMLTrackElement::LoadResource()
 
   nsCOMPtr<nsIChannel> channel;
   nsCOMPtr<nsILoadGroup> loadGroup = OwnerDoc()->GetDocumentLoadGroup();
   rv = NS_NewChannel(getter_AddRefs(channel),
                      uri,
                      static_cast<Element*>(this),
                      nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS,
                      nsIContentPolicy::TYPE_INTERNAL_TRACK,
-                     loadGroup);
+                     loadGroup,
+                     nullptr,   // aCallbacks
+                     nsIRequest::LOAD_NORMAL | nsIChannel::LOAD_CLASSIFY_URI);
 
   NS_ENSURE_TRUE_VOID(NS_SUCCEEDED(rv));
 
   mListener = new WebVTTListener(this);
   rv = mListener->LoadResource();
   NS_ENSURE_TRUE_VOID(NS_SUCCEEDED(rv));
   channel->SetNotificationCallbacks(mListener);