--- a/content/base/src/nsFrameMessageManager.cpp
+++ b/content/base/src/nsFrameMessageManager.cpp
@@ -918,33 +918,33 @@ nsFrameMessageManager::ReceiveMessage(ns
       JS::Rooted<JSObject*> object(cx, wrappedJS->GetJSObject());
       if (!object) {
         continue;
       }
       JSAutoCompartment ac(cx, object);
 
       // The parameter for the listener function.
       JS::Rooted<JSObject*> param(cx,
-        JS_NewObject(cx, nullptr, nullptr, nullptr));
+        JS_NewObject(cx, nullptr, JS::NullPtr(), JS::NullPtr()));
       NS_ENSURE_TRUE(param, NS_ERROR_OUT_OF_MEMORY);
 
       JS::Rooted<JS::Value> targetv(cx);
       JS::Rooted<JSObject*> global(cx, JS_GetGlobalForObject(cx, object));
       nsresult rv = nsContentUtils::WrapNative(cx, global, aTarget, &targetv, true);
       NS_ENSURE_SUCCESS(rv, rv);
 
       JS::Rooted<JSObject*> cpows(cx);
       if (aCpows) {
         if (!aCpows->ToObject(cx, &cpows)) {
           return NS_ERROR_UNEXPECTED;
         }
       }
 
       if (!cpows) {
-        cpows = JS_NewObject(cx, nullptr, nullptr, nullptr);
+        cpows = JS_NewObject(cx, nullptr, JS::NullPtr(), JS::NullPtr());
         if (!cpows) {
           return NS_ERROR_UNEXPECTED;
         }
       }
 
       JS::Rooted<JS::Value> cpowsv(cx, JS::ObjectValue(*cpows));
 
       JS::Rooted<JS::Value> json(cx, JS::NullValue());
@@ -971,17 +971,17 @@ nsFrameMessageManager::ReceiveMessage(ns
       if (!aPrincipal) {
         JS::Rooted<JS::Value> nullValue(cx);
         JS_DefineProperty(cx, param, "principal", nullValue, nullptr, nullptr, JSPROP_ENUMERATE);
       }
 
       // message.principal = { appId: <id>, origin: <origin>, isInBrowserElement: <something> }
       else {
         JS::Rooted<JSObject*> principalObj(cx,
-          JS_NewObject(cx, nullptr, nullptr, nullptr));
+          JS_NewObject(cx, nullptr, JS::NullPtr(), JS::NullPtr()));
 
         uint32_t appId;
         nsresult rv = aPrincipal->GetAppId(&appId);
         NS_ENSURE_SUCCESS(rv, rv);
 
         JS::Rooted<JS::Value> appIdValue(cx, INT_TO_JSVAL(appId));
         JS_DefineProperty(cx, principalObj, "appId", appIdValue, nullptr, nullptr, JSPROP_ENUMERATE);