Enable the dependency on google_toolbox_for_mac.

Enable the dependency on google_toolbox_for_mac.

We converted this target to GN already, so app_list can depend on it as
is. This should address the TODO(GYP) in the BUILD.gn file.

BUG=None
TEST=None
R=brettw@chromium.org
TBR=xiyuan@chromium.org,mark@chromium.org

Committed: https://crrev.com/fd1b08582a03e13af0ed5136473d447065947e96
Cr-Commit-Position: refs/heads/master@{#297123}

[brettw, 2014-09-22 01:50:03]

lgtm

[tfarina, 2014-09-28 00:15:04]

tfarina@chromium.org changed reviewers:
+ mark@chromium.org, xiyuan@chromium.org

[tfarina, 2014-09-28 00:15:05]

TBR xiyuan for app_list and mark for google_toolbox_for_mac.

[tfarina, 2014-09-28 00:15:28]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2014-09-28 00:16:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/590863002/1

[commit-bot: I haz the power, 2014-09-28 01:47:06]

Committed patchset #1 (id:1) as 7764efcda226ec20b9802338cbee74f6e6ef2fe6

[commit-bot: I haz the power, 2014-09-28 01:47:43]

Patchset 1 (id:??) landed as
https://crrev.com/fd1b08582a03e13af0ed5136473d447065947e96
Cr-Commit-Position: refs/heads/master@{#297123}