non-standard method names should be returned as is per step-5 of http://xhr.spec.whatwg.org/#the-open()-method.


PASS XMLHttpRequest: open() - case-insensitive methods test
PASS XMLHttpRequest: open() - case-insensitive methods test 1
PASS XMLHttpRequest: open() - case-insensitive methods test 2
PASS XMLHttpRequest: open() - case-insensitive methods test 3
PASS XMLHttpRequest: open() - case-insensitive methods test 4
PASS XMLHttpRequest: open() - case-insensitive methods test 5
PASS XMLHttpRequest: open() - case-insensitive methods test 6
PASS XMLHttpRequest: open() - case-insensitive methods test 7
PASS XMLHttpRequest: open() - case-insensitive methods test 8