The Tor Browser: content/html/document/test/bug445004-outer-write.html@129ffea94266

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     <base href="http://example.org/tests/content/html/document/test/bug445004-outer.html">

     5     <script>document.domain = "example.org"</script>

     6   </head>

     7   <body>

     8     <iframe width="500" height="200" src="javascript:&quot;<!DOCTYPE html> <html>  <script> function $(str) { return document.getElementById(str); } function hookLoad(str) { $(str).onload = function() { window.parent.parent.postMessage('end', '*'); }; window.parent.parent.postMessage('start', '*'); } window.onload = function() { hookLoad(\&quot;w\&quot;); $(\&quot;w\&quot;).contentWindow.location.href = \&quot;example.org.png\&quot;; hookLoad(\&quot;x\&quot;); var doc = $(\&quot;x\&quot;).contentDocument; doc.write('<img src=\&quot;example.org.png\&quot;>'); doc.close(); }; function doIt() { hookLoad(\&quot;y\&quot;); $(\&quot;y\&quot;).contentWindow.location.href = \&quot;example.org.png\&quot;; hookLoad(\&quot;z\&quot;); var doc = $(\&quot;z\&quot;).contentDocument; doc.write('<img src=\&quot;example.org.png\&quot;>'); doc.close(); } </script> <body> <iframe name=\&quot;w\&quot; id=\&quot;w\&quot; width=\&quot;100\&quot; height=\&quot;100\&quot;></iframe> <iframe name=\&quot;x\&quot; id=\&quot;x\&quot; width=\&quot;100\&quot; height=\&quot;100\&quot;></iframe> <iframe name=\&quot;y\&quot; id=\&quot;y\&quot; width=\&quot;100\&quot; height=\&quot;100\&quot;></iframe> <iframe name=\&quot;z\&quot; id=\&quot;z\&quot; width=\&quot;100\&quot; height=\&quot;100\&quot;></iframe><img src=\&quot;example.org.png\&quot;> </body> </html>&quot; "

     9             onload="window.frames[0].doIt();"></iframe>

    10   </body>

    11 </html>

The Tor Browser / file revision

content/html/document/test/bug445004-outer-write.html@129ffea94266

content/html/document/test/bug445004-outer-write.html