From bcc14c1b7af0c318a89d12d7d5bac0f51575100c Mon Sep 17 00:00:00 2001
From: Will Bamberg <wbamberg@mozilla.com>
Date: Tue, 5 Jan 2016 16:15:15 -0800
Subject: [PATCH] added origin in postMessage() call

---
 page-to-extension-messaging/content-script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/page-to-extension-messaging/content-script.js b/page-to-extension-messaging/content-script.js
index b3ab008..74cf4d7 100644
--- a/page-to-extension-messaging/content-script.js
+++ b/page-to-extension-messaging/content-script.js
@@ -14,5 +14,5 @@ function messagePageScript() {
   window.postMessage({
     direction: "from-content-script",
     message: "Message from the content script"
-  }, "*");
+  }, "https://mdn.github.io");
 }