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-rw-r--r--dom/tests/mochitest/whatwg/postMessage_chrome_helper.html49
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diff --git a/dom/tests/mochitest/whatwg/postMessage_chrome_helper.html b/dom/tests/mochitest/whatwg/postMessage_chrome_helper.html
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+++ b/dom/tests/mochitest/whatwg/postMessage_chrome_helper.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html>
+<head>
+ <title>postMessage chrome message receiver</title>
+ <script type="application/javascript">
+ var gPrePath = "";
+
+ function receiveMessage(evt)
+ {
+ if (evt.data.substring(0,9) == "chrome://") {
+ gPrePath = evt.data;
+ respond("path-is-set");
+ } else {
+ // Content cannot post to chrome without privileges
+ try {
+ window.parent.postMessage("SHOULD NOT GET THIS!", "*");
+ }
+ catch (ex) {
+ }
+
+ var msg = "post-to-content-response";
+
+ if (evt.source !== null)
+ msg += " wrong-source(" + evt.source + ")";
+ if (!evt.isTrusted)
+ msg += " unexpected-untrusted-event";
+ if (evt.type !== "message")
+ msg += " wrong-type(" + evt.type + ")";
+ if (evt.origin !== gPrePath)
+ msg += " wrong-origin(" + evt.origin + ")";
+ if (evt.data !== "post-to-content")
+ msg += " wrong-message(" + evt.data + ")";
+
+ respond(msg);
+ }
+ }
+
+ function respond(msg)
+ {
+ SpecialPowers.wrap(window).parent.postMessage(msg, "*");
+ }
+
+ window.addEventListener("message", receiveMessage, false);
+ </script>
+</head>
+<body>
+<h1 id="domain">example.org</h1>
+</body>
+</html>