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/2845293004
Cr-Commit-Position: refs/heads/master@{#468226}
Committed: https://chromium.googlesource.com/chromium/src/+/00f09058b11938a3dfc685e1ae41f4019241b215

[Avi (use Gerrit), 2017-04-29 01:21:59]

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

[commit-bot: I haz the power, 2017-04-29 01:22:28]

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 02:22:25]

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

[commit-bot: I haz the power, 2017-04-29 03:05:12]

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

[commit-bot: I haz the power, 2017-04-29 03:05:12]

Dry run: This issue passed the CQ dry run.

[qinmin, 2017-04-29 04:52:24]

lgtm

[Avi (use Gerrit), 2017-04-29 04:53:58]

The CQ bit was checked by avi@chromium.org

[commit-bot: I haz the power, 2017-04-29 04:54:03]

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 04:58:17]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493441638994290, "parent_rev":
"d82a2e2d7aa0417cceb90d8f102db5c0f623bad5", "commit_rev":
"00f09058b11938a3dfc685e1ae41f4019241b215"}

[commit-bot: I haz the power, 2017-04-29 04:58:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493441638994290, "parent_rev":
"d82a2e2d7aa0417cceb90d8f102db5c0f623bad5", "commit_rev":
"00f09058b11938a3dfc685e1ae41f4019241b215"}

[commit-bot: I haz the power, 2017-04-29 04:59:01]

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/2845293004
Cr-Commit-Position: refs/heads/master@{#468226}
Committed:
https://chromium.googlesource.com/chromium/src/+/00f09058b11938a3dfc685e1ae41...
==========

[commit-bot: I haz the power, 2017-04-29 04:59:02]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/00f09058b11938a3dfc685e1ae41...