Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 <!DOCTYPE HTML>
2 <html>
3 <body>
4 <canvas id="canvas" width="300" height="300"/>
5 <script>
6 var ctx = document.getElementById('canvas').getContext('2d');
8 var grad = ctx.createLinearGradient(150,0,150,300);
9 grad.addColorStop(0, 'white');
10 grad.addColorStop(1, 'black');
12 ctx.fillStyle = grad;
13 ctx.fillRect(0,0,300,300);
14 </script>
15 </body>
16 </html>