Switch SupportsUserData uses to use unique_ptr.

Switch SupportsUserData uses to use unique_ptr.

The interface taking a raw pointer is deprecated and being removed.

BUG=690937
Review-Url: https://codereview.chromium.org/2851013002
Cr-Commit-Position: refs/heads/master@{#468506}
Committed: https://chromium.googlesource.com/chromium/src/+/7ad715177d4c4950a979fcbaad584b75fad11853

[Avi (use Gerrit), 2017-04-29 01:52:57]

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

[commit-bot: I haz the power, 2017-04-29 01:53:18]

Dry run: 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, 2017-04-29 02:31:17]

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

[commit-bot: I haz the power, 2017-04-29 02:31:17]

Dry run: CQ cannot get SignCLA result. Please try later.

[Avi (use Gerrit), 2017-04-29 02:42:31]

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

[stevenjb, 2017-05-01 22:13:47]

lgtm

[Avi (use Gerrit), 2017-05-01 23:57:40]

The CQ bit was checked by avi@chromium.org

[commit-bot: I haz the power, 2017-05-01 23:58:20]

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, 2017-05-02 00:34:16]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493683060644510, "parent_rev":
"8d39d3591545ff704fd5473451d873f9598fcb67", "commit_rev":
"7ad715177d4c4950a979fcbaad584b75fad11853"}

[commit-bot: I haz the power, 2017-05-02 00:35:14]

Description was changed from

==========
Switch SupportsUserData uses to use unique_ptr.

The interface taking a raw pointer is deprecated and being removed.

BUG=690937
==========

to

==========
Switch SupportsUserData uses to use unique_ptr.

The interface taking a raw pointer is deprecated and being removed.

BUG=690937

Review-Url: https://codereview.chromium.org/2851013002
Cr-Commit-Position: refs/heads/master@{#468506}
Committed:
https://chromium.googlesource.com/chromium/src/+/7ad715177d4c4950a979fcbaad58...
==========

[commit-bot: I haz the power, 2017-05-02 00:35:16]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/7ad715177d4c4950a979fcbaad58...