Fix shelf crash on windows

Fix shelf crash on windows

In debug builds it doesn't appear that windows makes string constants
equal if the text is the same. This means the getter always returned null.

BUG=none
TEST=none
R=msw@chromium.org

Committed: https://crrev.com/1468c64622a576044e7cd5d5fe96b175a3c75370
Cr-Commit-Position: refs/heads/master@{#378058}

[msw, 2016-02-27 00:09:39]

lgtm

[sky, 2016-02-27 00:11:24]

The CQ bit was checked by sky@chromium.org

[commit-bot: I haz the power, 2016-02-27 00:19:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1736293004/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1736293004/40001

[commit-bot: I haz the power, 2016-02-27 01:31:39]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-02-27 01:32:33]

Description was changed from

==========
Fix shelf crash on windows

In debug builds it doesn't appear that windows makes string constants
equal if the text is the same. This means the getter always returned null.

BUG=none
TEST=none
R=msw@chromium.org
==========

to

==========
Fix shelf crash on windows

In debug builds it doesn't appear that windows makes string constants
equal if the text is the same. This means the getter always returned null.

BUG=none
TEST=none
R=msw@chromium.org

Committed: https://crrev.com/1468c64622a576044e7cd5d5fe96b175a3c75370
Cr-Commit-Position: refs/heads/master@{#378058}
==========

[commit-bot: I haz the power, 2016-02-27 01:32:34]

Patchset 3 (id:??) landed as
https://crrev.com/1468c64622a576044e7cd5d5fe96b175a3c75370
Cr-Commit-Position: refs/heads/master@{#378058}