[Mac] Increase contrast of toolbar button hover bg in MD Incognito.

[Mac] Increase contrast of toolbar button hover bg in MD Incognito.

The toolbar button hover states are difficult to see in Material Design
Incognito mode. This change increases the contrast.

R=avi@chromium.org
BUG=593371
Committed: https://crrev.com/45e5facee3ebc508b5c7c59d9c9940d7eac53af3
Cr-Commit-Position: refs/heads/master@{#385570}

[shrike, 2016-04-05 19:11:57]

PTAL

[Avi (use Gerrit), 2016-04-06 18:08:21]

lgtm

[shrike, 2016-04-06 20:06:49]

The CQ bit was checked by shrike@chromium.org

[commit-bot: I haz the power, 2016-04-06 20:07:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1858393002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1858393002/1

[commit-bot: I haz the power, 2016-04-06 22:31:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-06 22:32:23]

Description was changed from

==========
[Mac] Increase contrast of toolbar button hover bg in MD Incognito.

The toolbar button hover states are difficult to see in Material Design
Incognito mode. This change increases the contrast.

R=avi@chromium.org
BUG=593371
==========

to

==========
[Mac] Increase contrast of toolbar button hover bg in MD Incognito.

The toolbar button hover states are difficult to see in Material Design
Incognito mode. This change increases the contrast.

R=avi@chromium.org
BUG=593371

Committed: https://crrev.com/45e5facee3ebc508b5c7c59d9c9940d7eac53af3
Cr-Commit-Position: refs/heads/master@{#385570}
==========

[commit-bot: I haz the power, 2016-04-06 22:32:24]

Patchset 1 (id:??) landed as
https://crrev.com/45e5facee3ebc508b5c7c59d9c9940d7eac53af3
Cr-Commit-Position: refs/heads/master@{#385570}