Exclude (Mac test) MenuControllerTest.OpenClose from valgrind running ui_unittests

Exclude (Mac test) MenuControllerTest.OpenClose from valgrind running ui_unittests

It's tickling some strange leaks out of allocations in system libraries.

TBR=glider@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=414191
Committed: https://crrev.com/7279fced4d4890c54ce2ac52879fa2bf2b471c0a
Cr-Commit-Position: refs/heads/master@{#294791}

[tapted, 2014-09-15 08:20:24]

tapted@chromium.org changed reviewers:
+ glider@chromium.org

[tapted, 2014-09-15 08:21:44]

Hi Alexander, this one is being really tricksy. More details at
http://crbug.com/414191

[tapted, 2014-09-15 08:21:54]

The CQ bit was checked by tapted@chromium.org

[commit-bot: I haz the power, 2014-09-15 08:22:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/552743006/1

[commit-bot: I haz the power, 2014-09-15 08:25:16]

Committed patchset #1 (id:1) as 608f0bb7528c36b063e9473d36430e48393a5b69

[commit-bot: I haz the power, 2014-09-15 08:28:52]

Patchset 1 (id:??) landed as
https://crrev.com/7279fced4d4890c54ce2ac52879fa2bf2b471c0a
Cr-Commit-Position: refs/heads/master@{#294791}

[Alexander Potapenko, 2014-09-15 13:38:43]

On 2014/09/15 08:28:52, I haz the power (commit-bot) wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/7279fced4d4890c54ce2ac52879fa2bf2b471c0a
> Cr-Commit-Position: refs/heads/master@{#294791}

LGTM, thanks for taking care.