1 files changed, 9 insertions, 0 deletions
diff --git a/dom/workers/test/WorkerDebugger.postMessage_debugger.js b/dom/workers/test/WorkerDebugger.postMessage_debugger.js
new file mode 100644
index 0000000000..14236a4430
--- /dev/null
+++ b/dom/workers/test/WorkerDebugger.postMessage_debugger.js
@@ -0,0 +1,9 @@
+"use strict";
+
+this.onmessage = function (event) {
+  switch (event.data) {
+    case "ping":
+      postMessage("pong");
+      break;
+  }
+};