Fix "unused variable" warnings.

Fix "unused variable" warnings.

These were exposed by changing DISALLOW_COPY_AND_ASSIGN to use "= delete", and
must be fixed before that change can land.

See https://codereview.chromium.org/1981053002/ for the full CL.

BUG=447156
TEST=none

Committed: https://crrev.com/10cf76e32672cdbc6adc90259f8ab7ea95e06fe9
Cr-Commit-Position: refs/heads/master@{#394814}

[Peter Kasting, 2016-05-19 05:32:36]

pkasting@chromium.org changed reviewers:
+ avi@chromium.org

[Peter Kasting, 2016-05-19 05:32:37]

https://codereview.chromium.org/1995573004/diff/1/content/common/sandbox_linu...
File content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc (left):

https://codereview.chromium.org/1995573004/diff/1/content/common/sandbox_linu...
content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc:169:
DCHECK(IsArchitectureArm());
Technically this DCHECK is incorrect; it's perfectly possible for someone to
pass this command-line flag while on the wrong architecture.  It won't do
anything in that case anyway, so there's no real reason to bother DCHECKing.

[Avi (use Gerrit), 2016-05-19 14:42:06]

lgtm

👍

[Peter Kasting, 2016-05-19 18:04:08]

The CQ bit was checked by pkasting@chromium.org

[commit-bot: I haz the power, 2016-05-19 18:04:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1995573004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1995573004/1

[commit-bot: I haz the power, 2016-05-19 18:10:56]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-19 18:13:18]

Description was changed from

==========
Fix "unused variable" warnings.

These were exposed by changing DISALLOW_COPY_AND_ASSIGN to use "= delete", and
must be fixed before that change can land.

See https://codereview.chromium.org/1981053002/ for the full CL.

BUG=447156
TEST=none
==========

to

==========
Fix "unused variable" warnings.

These were exposed by changing DISALLOW_COPY_AND_ASSIGN to use "= delete", and
must be fixed before that change can land.

See https://codereview.chromium.org/1981053002/ for the full CL.

BUG=447156
TEST=none

Committed: https://crrev.com/10cf76e32672cdbc6adc90259f8ab7ea95e06fe9
Cr-Commit-Position: refs/heads/master@{#394814}
==========

[commit-bot: I haz the power, 2016-05-19 18:13:19]

Patchset 1 (id:??) landed as
https://crrev.com/10cf76e32672cdbc6adc90259f8ab7ea95e06fe9
Cr-Commit-Position: refs/heads/master@{#394814}