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diff --git a/addon-sdk/source/lib/sdk/ui/frame/view.html b/addon-sdk/source/lib/sdk/ui/frame/view.html
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+++ b/addon-sdk/source/lib/sdk/ui/frame/view.html
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+<!DOCTYPE html>
+<html>
+ <head>
+ <script>
+ // HACK: This is not an ideal way to deliver chrome messages
+ // to an inner frame content but seems only way that would
+ // make `event.source` this (outer frame) window.
+ window.onmessage = function(event) {
+ var frame = document.querySelector("iframe");
+ var content = frame.contentWindow;
+ // If message is posted from chrome it has no `event.source`.
+ if (event.source === null)
+ content.postMessage(event.data, "*");
+ };
+ </script>
+ </head>
+ <body style="overflow: hidden"></body>
+</html>