Remove redundant options; fix FIXME introduced by crrev.com/743483004.
Remove redundant options; fix FIXME introduced by crrev.com/743483004.

(The 'Off' option was renamed. The duplicate option was necessary
to keep the build happy between the time the chromium and blink CLs
landed.)

BUG=743483004
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/757073003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@186137 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs