App list: Crop all switcher button icons to 24x24.

App list: Crop all switcher button icons to 24x24.

Previously, the images had padding to make them 32x32 (the size of the
button). Now the button size is set programmatically, so the images can
be as small as the actual graphic within.

BUG=411775
Committed: https://crrev.com/6daafb7557f85912ab359dce9b53c622980f16df
Cr-Commit-Position: refs/heads/master@{#295942}

[Matt Giuca, 2014-09-18 05:20:38]

mgiuca@chromium.org changed reviewers:
+ calamity@chromium.org, oshima@chromium.org

[Matt Giuca, 2014-09-18 05:20:39]

calamity: code
oshima: images

[oshima, 2014-09-18 07:57:25]

ui/resources lgtm

[Matt Giuca, 2014-09-18 08:25:27]

Oops, pngs have now been crushed.

[Matt Giuca, 2014-09-19 09:23:28]

mgiuca@chromium.org changed reviewers:
- calamity@chromium.org

[Matt Giuca, 2014-09-19 09:23:28]

The code has been moved out to a separate precursor CL. Calamity removed as
reviewer.

[Matt Giuca, 2014-09-22 07:42:22]

The CQ bit was checked by mgiuca@chromium.org

[commit-bot: I haz the power, 2014-09-22 07:42:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/579093002/70001

[commit-bot: I haz the power, 2014-09-22 08:59:35]

Committed patchset #5 (id:70001) as e987f3c68f70884e1d7fd2e12e89d6b9cf14bbf7

[commit-bot: I haz the power, 2014-09-22 09:00:18]

Patchset 5 (id:??) landed as
https://crrev.com/6daafb7557f85912ab359dce9b53c622980f16df
Cr-Commit-Position: refs/heads/master@{#295942}