1 files changed, 26 insertions, 0 deletions
diff --git a/toolkit/components/mozintl/MozIntl.cpp b/toolkit/components/mozintl/MozIntl.cpp
index 9c393c296..9c61c73a6 100644
--- a/toolkit/components/mozintl/MozIntl.cpp
+++ b/toolkit/components/mozintl/MozIntl.cpp
@@ -48,6 +48,32 @@ MozIntl::AddGetCalendarInfo(JS::Handle<JS::Value> val, JSContext* cx)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+MozIntl::AddGetDisplayNames(JS::Handle<JS::Value> val, JSContext* cx)
+{
+  if (!val.isObject()) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  JS::Rooted<JSObject*> realIntlObj(cx, js::CheckedUnwrap(&val.toObject()));
+  if (!realIntlObj) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  JSAutoCompartment ac(cx, realIntlObj);
+
+  static const JSFunctionSpec funcs[] = {
+    JS_SELF_HOSTED_FN("getDisplayNames", "Intl_getDisplayNames", 2, 0),
+    JS_FS_END
+  };
+
+  if (!JS_DefineFunctions(cx, realIntlObj, funcs)) {
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
 NS_GENERIC_FACTORY_CONSTRUCTOR(MozIntl)
 NS_DEFINE_NAMED_CID(MOZ_MOZINTL_CID);