[Mac][Material Design] Fix ManagePasswordsDecoration unit tests

[Mac][Material Design] Fix ManagePasswordsDecoration unit tests

Under Material Design the ManagePasswordsDecoration unit tests broke
because of comparing the old PNG icons to the new vector icons, and
because of a NULL pointer dereference.

R=avi@chromium.org
BUG=609578
Committed: https://crrev.com/8ef553f7f2825bdeb386996fa105193255b64271
Cr-Commit-Position: refs/heads/master@{#391930}

[shrike, 2016-05-05 21:01:03]

PTAL

[Avi (use Gerrit), 2016-05-05 21:06:59]

lgtm

[shrike, 2016-05-05 21:16:07]

The CQ bit was checked by shrike@chromium.org

[commit-bot: I haz the power, 2016-05-05 21:17:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1959473002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1959473002/1

[commit-bot: I haz the power, 2016-05-05 22:39:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-05 22:40:32]

Description was changed from

==========
[Mac][Material Design] Fix ManagePasswordsDecoration unit tests

Under Material Design the ManagePasswordsDecoration unit tests broke
because of comparing the old PNG icons to the new vector icons, and
because of a NULL pointer dereference.

R=avi@chromium.org
BUG=609578
==========

to

==========
[Mac][Material Design] Fix ManagePasswordsDecoration unit tests

Under Material Design the ManagePasswordsDecoration unit tests broke
because of comparing the old PNG icons to the new vector icons, and
because of a NULL pointer dereference.

R=avi@chromium.org
BUG=609578

Committed: https://crrev.com/8ef553f7f2825bdeb386996fa105193255b64271
Cr-Commit-Position: refs/heads/master@{#391930}
==========

[commit-bot: I haz the power, 2016-05-05 22:40:34]

Patchset 1 (id:??) landed as
https://crrev.com/8ef553f7f2825bdeb386996fa105193255b64271
Cr-Commit-Position: refs/heads/master@{#391930}