1 files changed, 24 insertions, 0 deletions
diff --git a/dom/console/tests/head.js b/dom/console/tests/head.js
new file mode 100644
index 0000000000..3e9c72cfb9
--- /dev/null
+++ b/dom/console/tests/head.js
@@ -0,0 +1,24 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+const ConsoleAPIStorage = SpecialPowers.Cc[
+  "@mozilla.org/consoleAPI-storage;1"
+].getService(SpecialPowers.Ci.nsIConsoleAPIStorage);
+
+// This is intended to just be a drop-in replacement for an old observer
+// notification.
+function addConsoleStorageListener(listener) {
+  listener.__handler = (message, id) => {
+    listener.observe(message, id);
+  };
+  ConsoleAPIStorage.addLogEventListener(
+    listener.__handler,
+    SpecialPowers.wrap(document).nodePrincipal
+  );
+}
+
+function removeConsoleStorageListener(listener) {
+  ConsoleAPIStorage.removeLogEventListener(listener.__handler);
+}