The Tor Browser: dom/workers/test/suspend

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!--

     2   Any copyright is dedicated to the Public Domain.

     3   http://creativecommons.org/publicdomain/zero/1.0/

     4 -->

     5 <!DOCTYPE HTML>

     6 <html>

     7 <head>

     8   <meta charset="utf-8">

     9   <title>Test for DOM Worker Threads Suspending</title>

    10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

    11 </head>

    12 <body>

    13 <pre id="test">

    14 <div id="output"></div>

    15 <script class="testbody" type="text/javascript">

    17   var output = document.getElementById("output");

    19   var worker;

    21   function terminateWorker() {

    22     if (worker) {

    23       worker.postMessage("stop");

    24       worker = null;

    25     }

    26   }

    28   function startWorker(messageCallback, errorCallback) {

    29     var lastData;

    30     worker = new Worker("suspend_worker.js");

    32     worker.onmessage = function(event) {

    33       output.textContent = (lastData ? lastData + " -> " : "") + event.data;

    34       lastData = event.data;

    35       messageCallback(event.data);

    36     };

    38     worker.onerror = function(event) {

    39       this.terminate();

    40       errorCallback(event.message);

    41     };

    42   }

    44 </script>

    45 </pre>

    46 </body>

    47 </html>

The Tor Browser / file revision