Fix unused variable warning in the Win-Clang build

Fix unused variable warning in the Win-Clang build

BUG=638287
TBR=primiano

Committed: https://crrev.com/42dafb452ad376705d3579151c159b6f1360c6d1
Cr-Commit-Position: refs/heads/master@{#412300}

[hans, 2016-08-16 18:08:51]

hans@chromium.org changed reviewers:
+ rnk@chromium.org

[hans, 2016-08-16 18:08:52]

Please take a look.

[Reid Kleckner, 2016-08-16 18:09:52]

lgtm

[hans, 2016-08-16 18:10:18]

Description was changed from

==========
Fix unused variable warning in the Win-Clang build

BUG=638287
==========

to

==========
Fix unused variable warning in the Win-Clang build

BUG=638287
TBR=primiano
==========

[hans, 2016-08-16 18:10:19]

hans@chromium.org changed reviewers:
+ primiano@chromium.org

[hans, 2016-08-16 18:10:22]

The CQ bit was checked by hans@chromium.org

[commit-bot: I haz the power, 2016-08-16 18:10:40]

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, 2016-08-16 19:12:14]

Description was changed from

==========
Fix unused variable warning in the Win-Clang build

BUG=638287
TBR=primiano
==========

to

==========
Fix unused variable warning in the Win-Clang build

BUG=638287
TBR=primiano
==========

[commit-bot: I haz the power, 2016-08-16 19:12:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-16 19:14:00]

Description was changed from

==========
Fix unused variable warning in the Win-Clang build

BUG=638287
TBR=primiano
==========

to

==========
Fix unused variable warning in the Win-Clang build

BUG=638287
TBR=primiano

Committed: https://crrev.com/42dafb452ad376705d3579151c159b6f1360c6d1
Cr-Commit-Position: refs/heads/master@{#412300}
==========

[commit-bot: I haz the power, 2016-08-16 19:14:01]

Patchset 1 (id:??) landed as
https://crrev.com/42dafb452ad376705d3579151c159b6f1360c6d1
Cr-Commit-Position: refs/heads/master@{#412300}