Autofill OSX: Hide storage checkbox and tooltip while verifying.

Autofill OSX: Hide storage checkbox and tooltip  while verifying.

Hide "Keep this card locally" checkbox and tooltip while verifying card.
Space in the dialog is still reserved for the footer; it's just empty.

BUG=448572
Committed: https://crrev.com/52c422afc392b85a3d6287cd5b9b551d8126770a
Cr-Commit-Position: refs/heads/master@{#322532}

[bondd, 2015-03-27 00:45:55]

bondd@chromium.org changed reviewers:
+ estade@chromium.org, groby@chromium.org

[bondd, 2015-03-27 00:45:55]

bondd@chromium.org changed required reviewers:
+ groby@chromium.org

[bondd, 2015-03-27 00:45:55]

This one-liner doesn't overlap at all with
https://codereview.chromium.org/1040513002/ so I'm making it a separate CL.

[groby-ooo-7-16, 2015-03-27 00:54:15]

LGTM - but if something like this can be rolled into a related CL, I don't mind
having _slightly_ bigger CLs to review :)

[bondd, 2015-03-27 02:11:50]

The CQ bit was checked by bondd@chromium.org

[commit-bot: I haz the power, 2015-03-27 02:12:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1040493003/1

[commit-bot: I haz the power, 2015-03-27 04:58:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-27 04:59:09]

Patchset 1 (id:??) landed as
https://crrev.com/52c422afc392b85a3d6287cd5b9b551d8126770a
Cr-Commit-Position: refs/heads/master@{#322532}