replace COMPILE_ASSERT with static_assert in ui/

replace COMPILE_ASSERT with static_assert in ui/

BUG=442514
R=sky@chromium.org

Committed: https://crrev.com/5e16d46c92747ae76914b9a5db114a19cdb00bde
Cr-Commit-Position: refs/heads/master@{#311435}

[Mostyn Bramley-Moore, 2015-01-05 22:06:10]

mostynb@opera.com changed reviewers:
+ sky@chromium.org

[Mostyn Bramley-Moore, 2015-01-05 22:06:10]

@sky: please take a look.

[tfarina, 2015-01-05 23:12:46]

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

[tfarina, 2015-01-05 23:12:46]

lgtm

[Mostyn Bramley-Moore, 2015-01-05 23:53:06]

The CQ bit was checked by mostynb@opera.com

[commit-bot: I haz the power, 2015-01-05 23:54:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/828633002/20001

[commit-bot: I haz the power, 2015-01-06 00:01:09]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-06 00:01:10]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[Mostyn Bramley-Moore, 2015-01-13 09:00:57]

@sky: *ping*

[sky, 2015-01-13 18:30:37]

LGTM

[Mostyn Bramley-Moore, 2015-01-13 19:50:29]

The CQ bit was checked by mostynb@opera.com

[commit-bot: I haz the power, 2015-01-13 19:51:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/828633002/20001

[commit-bot: I haz the power, 2015-01-13 19:57:55]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-13 19:57:57]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[Mostyn Bramley-Moore, 2015-01-13 20:31:14]

The CQ bit was checked by mostynb@opera.com

[commit-bot: I haz the power, 2015-01-13 20:32:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/828633002/40001

[commit-bot: I haz the power, 2015-01-13 20:41:35]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-13 20:41:37]

Try jobs failed on following builders:
  linux_chromium_gn_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Mostyn Bramley-Moore, 2015-01-13 20:45:19]

The CQ bit was checked by mostynb@opera.com

[commit-bot: I haz the power, 2015-01-13 20:46:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/828633002/60001

[commit-bot: I haz the power, 2015-01-13 22:09:41]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-13 22:09:43]

Try jobs failed on following builders:
  mac_chromium_rel_ng on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[Mostyn Bramley-Moore, 2015-01-14 08:55:43]

The CQ bit was checked by mostynb@opera.com

[commit-bot: I haz the power, 2015-01-14 08:56:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/828633002/60001

[commit-bot: I haz the power, 2015-01-14 09:33:44]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2015-01-14 09:35:16]

Patchset 4 (id:??) landed as
https://crrev.com/5e16d46c92747ae76914b9a5db114a19cdb00bde
Cr-Commit-Position: refs/heads/master@{#311435}