Center the experimental app list [Linux]

Center the experimental app list [Linux]

This CL centers the app list for Linux when the --enable-experimental-app-list-flag
is on as a followup to https://codereview.chromium.org/162753002 .

BUG=344442
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=251956

[benwells, 2014-02-18 07:49:07]

lgtm

[calamity, 2014-02-18 09:59:25]

The CQ bit was checked by calamity@chromium.org

[calamity, 2014-02-18 09:59:36]

The CQ bit was unchecked by calamity@chromium.org

[commit-bot: I haz the power, 2014-02-18 09:59:36]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/calamity@chromium.org/170183003/1

[commit-bot: I haz the power, 2014-02-18 10:00:01]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/calamity@chromium.org/170183003/1

[commit-bot: I haz the power, 2014-02-18 12:43:31]

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

[commit-bot: I haz the power, 2014-02-18 12:43:32]

Commit queue rejected this change because the description was changed
between the time the change entered the commit queue and the time it
was ready to commit. You can safely check the commit box again.

[calamity, 2014-02-19 03:23:25]

The CQ bit was checked by calamity@chromium.org

[commit-bot: I haz the power, 2014-02-19 03:24:45]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/calamity@chromium.org/170183003/1

[commit-bot: I haz the power, 2014-02-19 06:01:25]

Change committed as 251956