[WebSocket] Check status code of 0 and 10 in close-code-and-reason.html layout test

R=ricea
BUG=428794

Review URL: https://codereview.chromium.org/672023004

git-svn-id: svn://svn.chromium.org/blink/trunk@184697 bbb929c8-8fbe-4397-9dbb-9b2b20218538