Pass value and use std::move instead of const reference for ack listeners.

Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=

Committed: https://crrev.com/2969c3272aecd7f24e7669434ca6687ab5509270
Cr-Commit-Position: refs/heads/master@{#439548}

[Fan Yang, 2016-12-19 17:18:27]

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

[commit-bot: I haz the power, 2016-12-19 17:18:38]

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

[Fan Yang, 2016-12-19 19:28:46]

Description was changed from

==========
Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=
==========

to

==========
Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=
==========

[Fan Yang, 2016-12-19 19:28:46]

fayang@chromium.org changed reviewers:
+ rch@chromium.org

[Ryan Hamilton, 2016-12-19 19:31:54]

lgtm

[commit-bot: I haz the power, 2016-12-19 20:34:21]

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

[commit-bot: I haz the power, 2016-12-19 20:34:22]

Dry run: This issue passed the CQ dry run.

[Fan Yang, 2016-12-19 20:43:03]

The CQ bit was checked by fayang@chromium.org

[commit-bot: I haz the power, 2016-12-19 20:43:52]

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, 2016-12-19 20:50:46]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482180183717100, "parent_rev":
"f686479a23f3745c7ba4e90778e69fdfb2835145", "commit_rev":
"7a95ea272a000aaf35b63a399a65db7c2e261417"}

[commit-bot: I haz the power, 2016-12-19 20:51:15]

Description was changed from

==========
Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=
==========

to

==========
Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=

Review-Url: https://codereview.chromium.org/2588043002
==========

[commit-bot: I haz the power, 2016-12-19 20:51:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-19 20:55:34]

Description was changed from

==========
Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=

Review-Url: https://codereview.chromium.org/2588043002
==========

to

==========
Pass value and use std::move instead of const reference for ack listeners.

Merge internal change 142446499.

BUG=

Committed: https://crrev.com/2969c3272aecd7f24e7669434ca6687ab5509270
Cr-Commit-Position: refs/heads/master@{#439548}
==========

[commit-bot: I haz the power, 2016-12-19 20:55:35]

Patchset 1 (id:??) landed as
https://crrev.com/2969c3272aecd7f24e7669434ca6687ab5509270
Cr-Commit-Position: refs/heads/master@{#439548}