[Mac] Remove unnecessary subclasses in bookmark bar

[Mac] Remove unnecessary subclasses in bookmark bar

We no longer build on the 10.6 SDK

BUG=648560
Review-Url: https://codereview.chromium.org/2723743002
Cr-Commit-Position: refs/heads/master@{#453654}
Committed: https://chromium.googlesource.com/chromium/src/+/ca58fea9d8ea3d1e63abdc427f9a5326b581b2ae

[lgrey, 2017-02-28 17:41:18]

The CQ bit was checked by lgrey@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-02-28 17:41:39]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-28 18:04:29]

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

[commit-bot: I haz the power, 2017-02-28 18:04:30]

Dry run: This issue passed the CQ dry run.

[lgrey, 2017-02-28 18:47:08]

lgrey@chromium.org changed reviewers:
+ ellyjones@chromium.org

[lgrey, 2017-02-28 18:47:09]

PTAL :)

[Elly Fong-Jones, 2017-02-28 18:58:40]

lgtm

[lgrey, 2017-02-28 18:59:26]

The CQ bit was checked by lgrey@chromium.org

[commit-bot: I haz the power, 2017-02-28 18:59:56]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-28 19:04:31]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488308366264450, "parent_rev":
"0246cdb6713c2f8ce65c9cc07ae1cd38d50755bc", "commit_rev":
"ca58fea9d8ea3d1e63abdc427f9a5326b581b2ae"}

[commit-bot: I haz the power, 2017-02-28 19:05:15]

Description was changed from

==========
[Mac] Remove unnecessary subclasses in bookmark bar

We no longer build on the 10.6 SDK

BUG=648560
==========

to

==========
[Mac] Remove unnecessary subclasses in bookmark bar

We no longer build on the 10.6 SDK

BUG=648560

Review-Url: https://codereview.chromium.org/2723743002
Cr-Commit-Position: refs/heads/master@{#453654}
Committed:
https://chromium.googlesource.com/chromium/src/+/ca58fea9d8ea3d1e63abdc427f9a...
==========

[commit-bot: I haz the power, 2017-02-28 19:05:16]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/ca58fea9d8ea3d1e63abdc427f9a...