1 Basic API existence test for Pointer Lock.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS document.onwebkitpointerlockchange is defined.
7 PASS document.onwebkitpointerlockerror is defined.
8 PASS document.webkitExitPointerLock is defined.
9 PASS document.webkitPointerLockElement is null
10 PASS element.webkitRequestPointerLock is defined.
11 PASS successfullyParsed is true