[ObjC ARC] Converts ios/chrome/browser/ui/contextual_search:unit_tests to ARC.

[ObjC ARC] Converts ios/chrome/browser/ui/contextual_search:unit_tests to ARC.

Automatically generated ARCMigrate commit
Notable issues:None
BUG=624363
TEST=None

Review-Url: https://codereview.chromium.org/2889993002
Cr-Commit-Position: refs/heads/master@{#472561}
Committed: https://chromium.googlesource.com/chromium/src/+/07d11ddc07d70c0b5219c5b90a4138770450c9d9

[stkhapugin, 2017-05-17 14:48:22]

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

[commit-bot: I haz the power, 2017-05-17 14:49:00]

Dry run: CQ is trying da patch.

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

[stkhapugin, 2017-05-17 15:36:50]

stkhapugin@chromium.org changed reviewers:
+ sdefresne@chromium.org

[stkhapugin, 2017-05-17 15:36:50]

PTAL

[sdefresne, 2017-05-17 15:51:54]

lgtm

[stkhapugin, 2017-05-17 16:03:57]

The CQ bit was unchecked by stkhapugin@chromium.org

[stkhapugin, 2017-05-17 16:04:02]

The CQ bit was checked by stkhapugin@chromium.org

[commit-bot: I haz the power, 2017-05-17 16:04:40]

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, 2017-05-17 20:57:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495037042353660, "parent_rev":
"fcfd1d93f5d756b01037972de8030015b14dbd65", "commit_rev":
"07d11ddc07d70c0b5219c5b90a4138770450c9d9"}

[commit-bot: I haz the power, 2017-05-17 20:58:03]

Description was changed from

==========
[ObjC ARC] Converts ios/chrome/browser/ui/contextual_search:unit_tests to ARC.

Automatically generated ARCMigrate commit
Notable issues:None
BUG=624363
TEST=None
==========

to

==========
[ObjC ARC] Converts ios/chrome/browser/ui/contextual_search:unit_tests to ARC.

Automatically generated ARCMigrate commit
Notable issues:None
BUG=624363
TEST=None

Review-Url: https://codereview.chromium.org/2889993002
Cr-Commit-Position: refs/heads/master@{#472561}
Committed:
https://chromium.googlesource.com/chromium/src/+/07d11ddc07d70c0b5219c5b90a41...
==========

[commit-bot: I haz the power, 2017-05-17 20:58:04]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/07d11ddc07d70c0b5219c5b90a41...