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/2847353002
Cr-Commit-Position: refs/heads/master@{#468268}
Committed: https://chromium.googlesource.com/chromium/src/+/83fe36db187d3c4959fa2f76cb772cea5a78c139

[Avi (use Gerrit), 2017-04-29 01:31:39]

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

[commit-bot: I haz the power, 2017-04-29 01:32:42]

Dry run: CQ is trying da patch.

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

[Avi (use Gerrit), 2017-04-29 01:34:19]

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

[commit-bot: I haz the power, 2017-04-29 01:34:34]

Dry run: CQ is trying da patch.

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

[Avi (use Gerrit), 2017-04-29 02:27:05]

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

[commit-bot: I haz the power, 2017-04-29 02:27:14]

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

[commit-bot: I haz the power, 2017-04-29 02:27:15]

Dry run: This issue passed the CQ dry run.

[mattm, 2017-05-01 01:08:09]

lgtm

[Avi (use Gerrit), 2017-05-01 01:32:09]

The CQ bit was checked by avi@chromium.org

[commit-bot: I haz the power, 2017-05-01 01:32:21]

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, 2017-05-01 02:30:16]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1493602329933720,
"parent_rev": "e578e69e97678337cd294fafc9d051b73c61c7f2", "commit_rev":
"83fe36db187d3c4959fa2f76cb772cea5a78c139"}

[commit-bot: I haz the power, 2017-05-01 02:30:25]

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/2847353002
Cr-Commit-Position: refs/heads/master@{#468268}
Committed:
https://chromium.googlesource.com/chromium/src/+/83fe36db187d3c4959fa2f76cb77...
==========

[commit-bot: I haz the power, 2017-05-01 02:30:26]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/83fe36db187d3c4959fa2f76cb77...