Hand cursor on hover close & back buttons

Hand cursor on hover close & back buttons

BUG=478428
TEST=Hover mouse over Back and Close buttons in new GAIA login (for Add person,
Create new account, etc).  Cursor should change to pointer hand.

Committed: https://crrev.com/30b23f7d633f7065b9b237f3aab3f04a067d21f2
Cr-Commit-Position: refs/heads/master@{#326857}

[Greg Levin, 2015-04-23 15:54:29]

glevin@chromium.org changed reviewers:
+ dpolukhin@chromium.org

[Greg Levin, 2015-04-23 15:54:29]

Please have a look!

[Nikita (slow), 2015-04-23 16:23:21]

nkostylev@chromium.org changed reviewers:
+ nkostylev@chromium.org

[Nikita (slow), 2015-04-23 16:23:22]

Please also apply similar changes for enrollment UI buttons.
It is implemented separately:
https://code.google.com/p/chromium/codesearch#chromium/src/chrome/browser/res...

[Greg Levin, 2015-04-23 23:42:02]

Patchset #2 (id:20001) has been deleted

[Greg Levin, 2015-04-23 23:45:32]

Done.  Please have another look!

[Dmitry Polukhin, 2015-04-24 07:14:05]

lgtm

[Nikita (slow), 2015-04-24 18:56:58]

lgtm

[Nikita (slow), 2015-04-24 18:57:03]

The CQ bit was checked by nkostylev@chromium.org

[commit-bot: I haz the power, 2015-04-24 18:57:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1097053008/40001

[commit-bot: I haz the power, 2015-04-24 19:31:49]

Committed patchset #2 (id:40001)

[commit-bot: I haz the power, 2015-04-24 19:32:58]

Patchset 2 (id:??) landed as
https://crrev.com/30b23f7d633f7065b9b237f3aab3f04a067d21f2
Cr-Commit-Position: refs/heads/master@{#326857}