Update strings in the credit card unmask dialog.

Update strings in the credit card unmask dialog.

The new design doesn't treat Amex cards or the PaymentRequest case
differently, so the code is simplified a bit as well.

BUG=626237
Committed: https://crrev.com/47f009f01f84d5e419c2c23588f62da47b1ad2eb
Cr-Commit-Position: refs/heads/master@{#404392}

[Justin Donnelly, 2016-07-08 00:07:22]

jdonnelly@chromium.org changed reviewers:
+ mathp@chromium.org

[Mathieu, 2016-07-08 04:26:24]

lgtm

[Justin Donnelly, 2016-07-08 15:28:14]

The CQ bit was checked by jdonnelly@chromium.org

[commit-bot: I haz the power, 2016-07-08 15:28:30]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-08 15:33:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-08 15:33:09]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-08 15:33:58]

Description was changed from

==========
Update strings in the credit card unmask dialog.

The new design doesn't treat Amex cards or the PaymentRequest case
differently, so the code is simplified a bit as well.

BUG=626237
==========

to

==========
Update strings in the credit card unmask dialog.

The new design doesn't treat Amex cards or the PaymentRequest case
differently, so the code is simplified a bit as well.

BUG=626237

Committed: https://crrev.com/47f009f01f84d5e419c2c23588f62da47b1ad2eb
Cr-Commit-Position: refs/heads/master@{#404392}
==========

[commit-bot: I haz the power, 2016-07-08 15:33:59]

Patchset 1 (id:??) landed as
https://crrev.com/47f009f01f84d5e419c2c23588f62da47b1ad2eb
Cr-Commit-Position: refs/heads/master@{#404392}