cros: Update enable-dev UI.

cros: Update enable-dev UI.

- Add new success/failure icons;
- Update UI layout;

BUG=442946
Committed: https://crrev.com/ff2fc8b284374d3b300da79eb3d702841e345ab8
Cr-Commit-Position: refs/heads/master@{#309992}

[xiyuan, 2014-12-19 22:09:07]

xiyuan@chromium.org changed reviewers:
+ stevenjb@chromium.org

[xiyuan, 2014-12-19 22:09:08]

Screenshots are added to the associated bug.

PTAL. Thanks.

[stevenjb, 2014-12-19 23:55:41]

You should probably find someone else to look at the html/css, but the rest
lgtm.

[xiyuan, 2014-12-20 01:28:58]

xiyuan@chromium.org changed reviewers:
+ zelidrag@chromium.org

[xiyuan, 2014-12-20 01:28:59]

zel, want to do a pass on the html/css change?

Here is the summary:
- Use <div> and background image instead of <img> for the icon
- Show success icon for done state, failure icon for error and exclamation icon
  for all rest states;
- Adjust font color, size and layout according to the mock;
- Auto focusing default control and resizing the dialog when UI state changes;

Thanks.

[xiyuan, 2015-01-05 20:30:52]

zel, PTAL. Thanks.

[zel, 2015-01-05 21:19:40]

lgtm

[xiyuan, 2015-01-05 21:29:43]

xiyuan@chromium.org changed reviewers:
+ oshima@chromium.org

[xiyuan, 2015-01-05 21:29:44]

oshima, could you help with owner review for theme/*? Thanks.

[oshima, 2015-01-05 21:46:42]

lgtm

[xiyuan, 2015-01-05 21:57:43]

The CQ bit was checked by xiyuan@chromium.org

[commit-bot: I haz the power, 2015-01-05 21:59:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/821473002/60001

[commit-bot: I haz the power, 2015-01-05 23:28:32]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2015-01-05 23:29:44]

Patchset 4 (id:??) landed as
https://crrev.com/ff2fc8b284374d3b300da79eb3d702841e345ab8
Cr-Commit-Position: refs/heads/master@{#309992}