Fix a compile error

Fix a compile error

std::less requires #include <functional>,
see e.g. http://en.cppreference.com/w/cpp/utility/functional/less

See the bug for more context.

BUG=716504
Review-Url: https://codereview.chromium.org/2849913002
Cr-Commit-Position: refs/heads/master@{#468088}
Committed: https://chromium.googlesource.com/chromium/src/+/c47196bd73aa1a84ef4603c510dcd2175703cb75

[Paweł Hajdan Jr., 2017-04-28 16:53:25]

phajdan.jr@chromium.org changed reviewers:
+ thakis@chromium.org

[Paweł Hajdan Jr., 2017-04-28 16:53:29]

The CQ bit was checked by phajdan.jr@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-28 16:54:02]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[danakj, 2017-04-28 17:18:34]

danakj@chromium.org changed reviewers:
+ danakj@chromium.org

[danakj, 2017-04-28 17:18:35]

LGTM

[Paweł Hajdan Jr., 2017-04-28 17:28:57]

The CQ bit was unchecked by phajdan.jr@chromium.org

[Paweł Hajdan Jr., 2017-04-28 17:29:02]

The CQ bit was checked by phajdan.jr@chromium.org

[commit-bot: I haz the power, 2017-04-28 17:29:17]

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, 2017-04-28 19:20:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493400542318150, "parent_rev":
"489fa402ff6ec3e74127929820b622407e979bb5", "commit_rev":
"c47196bd73aa1a84ef4603c510dcd2175703cb75"}

[commit-bot: I haz the power, 2017-04-28 19:20:48]

Description was changed from

==========
Fix a compile error

std::less requires #include <functional>,
see e.g. http://en.cppreference.com/w/cpp/utility/functional/less

See the bug for more context.

BUG=716504
==========

to

==========
Fix a compile error

std::less requires #include <functional>,
see e.g. http://en.cppreference.com/w/cpp/utility/functional/less

See the bug for more context.

BUG=716504

Review-Url: https://codereview.chromium.org/2849913002
Cr-Commit-Position: refs/heads/master@{#468088}
Committed:
https://chromium.googlesource.com/chromium/src/+/c47196bd73aa1a84ef4603c510dc...
==========

[commit-bot: I haz the power, 2017-04-28 19:20:49]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c47196bd73aa1a84ef4603c510dc...