mac: Fix key layout test on OSX 10.9+.

mac: Fix key layout test on OSX 10.9+.

The test NSMenuItemAdditionsTest.TestMOnDifferentLayouts was failing because a
new French keyboard layout was added that the test logic failed to account
for.

BUG=390276
Committed: https://crrev.com/bdc7051b27478d02b6d88ebaf709819ccbe47282
Cr-Commit-Position: refs/heads/master@{#296115}

[erikchen, 2014-09-19 22:24:10]

erikchen@chromium.org changed reviewers:
+ avi@chromium.org

[erikchen, 2014-09-19 22:24:11]

avi: Please review.

[Avi (use Gerrit), 2014-09-20 01:05:31]

lgtm

[erikchen, 2014-09-20 01:06:23]

The CQ bit was checked by erikchen@chromium.org

[commit-bot: I haz the power, 2014-09-20 01:07:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/585913004/1

[commit-bot: I haz the power, 2014-09-20 01:07:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/585913004/1

[commit-bot: I haz the power, 2014-09-20 03:08:58]

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

[commit-bot: I haz the power, 2014-09-20 03:08:59]

Exceeded time limit waiting for builds to trigger.

[erikchen, 2014-09-23 00:51:33]

The CQ bit was checked by erikchen@chromium.org

[commit-bot: I haz the power, 2014-09-23 00:52:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/585913004/1

[commit-bot: I haz the power, 2014-09-23 00:54:12]

Committed patchset #1 (id:1) as d6be8b05662a1eee98242137ad47ac1a3427a72d

[commit-bot: I haz the power, 2014-09-23 00:55:13]

Patchset 1 (id:??) landed as
https://crrev.com/bdc7051b27478d02b6d88ebaf709819ccbe47282
Cr-Commit-Position: refs/heads/master@{#296115}