[Mac][Material Design] Fix regression in position of chevron icon.

[Mac][Material Design] Fix regression in position of chevron icon.

Fixes a regression with the chevron-overflow button caused by a recent
cl that adjusted the location of bookmark button icons where there is no
title.

R=avi@chromium.org
BUG=640131
Review-Url: https://codereview.chromium.org/2304643002
Cr-Commit-Position: refs/heads/master@{#416016}
(cherry picked from commit 68058edebdc748f9df588a218ddce7fb90aa7635)

Committed: https://chromium.googlesource.com/chromium/src/+/96c3ac9152a0cccbef4f0777ea806d8fa5a243cd

[shrike, 2016-09-06 22:32:13]

Description was changed from

==========
[Mac][Material Design] Fix regression in position of chevron icon.

Fixes a regression with the chevron-overflow button caused by a recent
cl that adjusted the location of bookmark button icons where there is no
title.

R=avi@chromium.org
BUG=640131

Review-Url: https://codereview.chromium.org/2304643002
Cr-Commit-Position: refs/heads/master@{#416016}
(cherry picked from commit 68058edebdc748f9df588a218ddce7fb90aa7635)
==========

to

==========
[Mac][Material Design] Fix regression in position of chevron icon.

Fixes a regression with the chevron-overflow button caused by a recent
cl that adjusted the location of bookmark button icons where there is no
title.

R=avi@chromium.org
BUG=640131

Review-Url: https://codereview.chromium.org/2304643002
Cr-Commit-Position: refs/heads/master@{#416016}
(cherry picked from commit 68058edebdc748f9df588a218ddce7fb90aa7635)

Committed:
https://chromium.googlesource.com/chromium/src/+/96c3ac9152a0cccbef4f0777ea80...
==========

[shrike, 2016-09-06 22:32:15]

Committed patchset #1 (id:1) manually as
96c3ac9152a0cccbef4f0777ea806d8fa5a243cd (tree was closed).

[Avi (use Gerrit), 2016-09-07 02:52:48]

lgtm