--- a/dom/base/nsObjectLoadingContent.cpp
+++ b/dom/base/nsObjectLoadingContent.cpp
@@ -1180,18 +1180,16 @@ nsObjectLoadingContent::OnStopRequest(ns
   if (aStatusCode == NS_ERROR_TRACKING_URI) {
     nsCOMPtr<nsIContent> thisNode =
       do_QueryInterface(static_cast<nsIObjectLoadingContent*>(this));
     if (thisNode && thisNode->IsInComposedDoc()) {
       thisNode->GetComposedDoc()->AddBlockedTrackingNode(thisNode);
     }
   }
 
-  NS_ENSURE_TRUE(nsContentUtils::LegacyIsCallerChromeOrNativeCode(), NS_ERROR_NOT_AVAILABLE);
-
   if (aRequest != mChannel) {
     return NS_BINDING_ABORTED;
   }
 
   mChannel = nullptr;
 
   if (mFinalListener) {
     // This may re-enter in the case of plugin listeners
@@ -1207,18 +1205,16 @@ nsObjectLoadingContent::OnStopRequest(ns
 
 // nsIStreamListener
 NS_IMETHODIMP
 nsObjectLoadingContent::OnDataAvailable(nsIRequest *aRequest,
                                         nsISupports *aContext,
                                         nsIInputStream *aInputStream,
                                         uint64_t aOffset, uint32_t aCount)
 {
-  NS_ENSURE_TRUE(nsContentUtils::LegacyIsCallerChromeOrNativeCode(), NS_ERROR_NOT_AVAILABLE);
-
   if (aRequest != mChannel) {
     return NS_BINDING_ABORTED;
   }
 
   if (mFinalListener) {
     // This may re-enter in the case of plugin listeners
     nsCOMPtr<nsIStreamListener> listenerGrip(mFinalListener);
     return listenerGrip->OnDataAvailable(aRequest, aContext, aInputStream,