Add test for requestAutocomplete and readonly attribute.

Add test for requestAutocomplete and readonly attribute.

BUG=231160
Committed: https://crrev.com/8e4b94a505d46a79f50183c276bb144e2fe156fe
Cr-Commit-Position: refs/heads/master@{#299411}

[Evan Stade, 2014-10-13 18:59:22]

estade@chromium.org changed reviewers:
+ isherman@chromium.org, mkwst@chromium.org

[Ilya Sherman, 2014-10-13 21:13:05]

LGTM

I see, so it's not that we're overwriting readonly fields; it's that we need to
pass their data up to the browser side.  That makes sense.  Can you think of any
reason for us to ever *fill* a readonly or disabled field?

[Evan Stade, 2014-10-13 21:17:01]

On 2014/10/13 21:13:05, Ilya Sherman wrote:
> LGTM
> 
> I see, so it's not that we're overwriting readonly fields; it's that we need
to
> pass their data up to the browser side.  That makes sense.  Can you think of
any
> reason for us to ever *fill* a readonly or disabled field?

Yea, it's probably ok to not fill them.

[Evan Stade, 2014-10-14 00:31:24]

The CQ bit was checked by estade@chromium.org

[commit-bot: I haz the power, 2014-10-14 00:32:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/650293002/1

[commit-bot: I haz the power, 2014-10-14 01:12:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-14 01:12:56]

Patchset 1 (id:??) landed as
https://crrev.com/8e4b94a505d46a79f50183c276bb144e2fe156fe
Cr-Commit-Position: refs/heads/master@{#299411}