change test expectations for http/tests/security/naked-global-object.html in advance of fixing it

TBR=jochen@chromium.org

BUG=

Review URL: https://codereview.chromium.org/111573005

git-svn-id: svn://svn.chromium.org/blink/trunk@163703 bbb929c8-8fbe-4397-9dbb-9b2b20218538