Remove OwnPtr::release() calls in platform/ (part 2).

Remove OwnPtr::release() calls in platform/ (part 2).

OwnPtr::release() calls can be (1) replaced with std::move(), or
(2) removed entirely (in certain "return" statements).

BUG=611660
Committed: https://crrev.com/20cd5a39df58894c38a6581bd40ae3bfa0d37c8c
Cr-Commit-Position: refs/heads/master@{#394058}

[Yuta Kitamura, 2016-05-16 06:36:50]

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

[commit-bot: I haz the power, 2016-05-16 06:37:04]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1983793002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1983793002/1

[Yuta Kitamura, 2016-05-16 06:38:20]

yutak@chromium.org changed reviewers:
+ haraken@chromium.org, tzik@chromium.org

[Yuta Kitamura, 2016-05-16 06:38:20]

yutak@chromium.org changed required reviewers:
+ haraken@chromium.org, tzik@chromium.org

[Yuta Kitamura, 2016-05-16 06:38:21]

tzik: PTAL?
+haraken for platform/ approval.

[haraken, 2016-05-16 06:46:54]

LGTM

[Yuta Kitamura, 2016-05-16 06:51:00]

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

[commit-bot: I haz the power, 2016-05-16 06:51:09]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1983793002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1983793002/20001

[commit-bot: I haz the power, 2016-05-16 08:25:35]

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

[commit-bot: I haz the power, 2016-05-16 08:25:36]

Dry run: This issue passed the CQ dry run.

[tzik, 2016-05-17 04:55:12]

lgtm

[Yuta Kitamura, 2016-05-17 05:14:18]

The CQ bit was checked by yutak@chromium.org

[Yuta Kitamura, 2016-05-17 05:14:19]

The patchset sent to the CQ was uploaded after l-g-t-m from haraken@chromium.org
Link to the patchset: https://codereview.chromium.org/1983793002/#ps20001
(title: "Add one more file.")

[commit-bot: I haz the power, 2016-05-17 05:14:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1983793002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1983793002/20001

[commit-bot: I haz the power, 2016-05-17 05:18:13]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-17 05:20:49]

Description was changed from

==========
Remove OwnPtr::release() calls in platform/ (part 2).

OwnPtr::release() calls can be (1) replaced with std::move(), or
(2) removed entirely (in certain "return" statements).

BUG=611660
==========

to

==========
Remove OwnPtr::release() calls in platform/ (part 2).

OwnPtr::release() calls can be (1) replaced with std::move(), or
(2) removed entirely (in certain "return" statements).

BUG=611660

Committed: https://crrev.com/20cd5a39df58894c38a6581bd40ae3bfa0d37c8c
Cr-Commit-Position: refs/heads/master@{#394058}
==========

[commit-bot: I haz the power, 2016-05-17 05:20:50]

Patchset 2 (id:??) landed as
https://crrev.com/20cd5a39df58894c38a6581bd40ae3bfa0d37c8c
Cr-Commit-Position: refs/heads/master@{#394058}