bug 90391: pointer lock mouse move events then window.open should not crash.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
Locking targetdiv1.
PASS document.onpointerlockchange event received.
Sending mouse move events.
Calling window.open.
PASS Didn't crash
PASS successfullyParsed is true
TEST COMPLETE