[Nit] Updating the comment in results-test.js the file json_results.html was renamed as results.html as a part of

http://src.chromium.org/viewvc/blink?view=revision&revision=84568

But the comment was not updated

Review URL: https://codereview.chromium.org/414253003

git-svn-id: svn://svn.chromium.org/blink/trunk@179328 bbb929c8-8fbe-4397-9dbb-9b2b20218538