Sat, 03 Jan 2015 20:18:00 +0100
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 <!DOCTYPE html>
2 <html>
3 <head>
4 <script type="text/javascript">
6 function boom()
7 {
8 var s = document.createElement("STYLE");
9 var t = document.createTextNode("\uDB00x"); // a high surrogate followed by 'x'
10 document.documentElement.appendChild(s);
11 s.appendChild(t);
12 }
14 </script>
15 </head>
17 <body onload="boom();">
18 </body>
19 </html>