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<html>
<head>
<meta charset="utf8">
<title>Newtab WebChannel test</title>
</head>
<body>
<script>
let thumbURL = "https://example.com/browser/browser/components/newtab/tests/browser/blue_page.html";
window.addEventListener("WebChannelMessageToContent", function(e) {
if (e.detail.message && e.detail.message.type === "RECEIVE_THUMB") {
if (e.detail.message.data.imgData && e.detail.message.data.url === thumbURL) {
let reply = new window.CustomEvent("WebChannelMessageToChrome", {
detail: JSON.stringify({
id: "newtab",
message: JSON.stringify({type: "responseAck"}),
})
});
window.dispatchEvent(reply);
}
}
}, true);
document.onreadystatechange = function () {
if (document.readyState === "complete") {
let msg = new window.CustomEvent("WebChannelMessageToChrome", {
detail: JSON.stringify({
id: "newtab",
message: JSON.stringify({type: "REQUEST_THUMB", data: thumbURL}),
})
});
window.dispatchEvent(msg);
}
};
</script>
</body>
</html>
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