Don't copy loop variables when we don't have to

Don't copy loop variables when we don't have to

This was suggested by clang-tidy.

BUG=none

Committed: https://crrev.com/1b35d4cdf1804e245bcc975e80a5cf78b87b8cd4
Cr-Commit-Position: refs/heads/master@{#15018}

[kwiberg-webrtc, 2016-11-08 21:09:21]

The CQ bit was checked by kwiberg@webrtc.org to run a CQ dry run

[commit-bot: I haz the power, 2016-11-08 21:09:23]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[kwiberg-webrtc, 2016-11-08 21:11:50]

kwiberg@webrtc.org changed reviewers:
+ hbos@webrtc.org

[commit-bot: I haz the power, 2016-11-08 21:32:11]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-11-08 21:32:12]

Dry run: This issue passed the CQ dry run.

[hbos, 2016-11-10 12:31:21]

lgtm

[hbos, 2016-11-10 12:31:30]

The CQ bit was checked by hbos@webrtc.org

[commit-bot: I haz the power, 2016-11-10 12:31:38]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2016-11-10 13:15:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-10 13:15:45]

Description was changed from

==========
Don't copy loop variables when we don't have to

This was suggested by clang-tidy.

BUG=none
==========

to

==========
Don't copy loop variables when we don't have to

This was suggested by clang-tidy.

BUG=none

Committed: https://crrev.com/1b35d4cdf1804e245bcc975e80a5cf78b87b8cd4
Cr-Commit-Position: refs/heads/master@{#15018}
==========

[commit-bot: I haz the power, 2016-11-10 13:15:46]

Patchset 1 (id:??) landed as
https://crrev.com/1b35d4cdf1804e245bcc975e80a5cf78b87b8cd4
Cr-Commit-Position: refs/heads/master@{#15018}