Test 1 - Size of current window -
Ticket 14098
Test 2 - Emoji detection -
Ticket 18172
Test 3 - Trackpad/Mouse detection (to be investigated) -
Source
Test 4 - Size of glyphs with the use of the fallback font with a canvas element (does not need the permission of the user)
Test 5 - OS leak through the discovery of maximum font size
Test 6 - Study of the Date API on different OS -
Ticket 15473
Test 7 - Study of the Math API on different OS -
Ticket 13018