clang/win: Build chromium_code with -Wunused-function

clang/win: Build chromium_code with -Wunused-function

BUG=505316
R=dalecurtis@chromium.org, dcheng@chromium.org, robertshield@chromium.org

Committed: https://chromium.googlesource.com/chromium/src/+/0f942010a9bf8c335e5818b2ca228266b42cc725

[Nico, 2015-08-08 04:14:37]

thakis@chromium.org changed reviewers:
+ dalecurtis@chromium.org, dcheng@chromium.org

[Nico, 2015-08-08 04:14:38]

Looks like this might work now.

dalecurtis: media/
dcheng: build/

[dcheng, 2015-08-08 04:58:58]

lgtm

[DaleCurtis, 2015-08-08 05:58:35]

lgtm

[Nico, 2015-08-08 06:04:16]

thakis@chromium.org changed reviewers:
+ robertshield@chromium.org

[Nico, 2015-08-08 06:04:18]

+robertshield for the release-only change in win8/

[robertshield, 2015-08-08 10:32:03]

lgtm

I

[Nico, 2015-08-08 17:01:42]

The CQ bit was checked by thakis@chromium.org

[Nico, 2015-08-08 17:01:43]

The patchset sent to the CQ was uploaded after l-g-t-m from dcheng@chromium.org
Link to the patchset: https://codereview.chromium.org/1261953003/#ps60001
(title: ".")

[commit-bot: I haz the power, 2015-08-08 17:01:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1261953003/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1261953003/60001

[Nico, 2015-08-08 17:40:49]

Committed patchset #4 (id:60001) manually as
0f942010a9bf8c335e5818b2ca228266b42cc725 (presubmit successful).