[ObjC ARC] Converts ios/chrome/browser/ui/collection_view:test_support to ARC.

[ObjC ARC] Converts ios/chrome/browser/ui/collection_view:test_support to ARC.

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

Review-Url: https://codereview.chromium.org/2743723002
Cr-Commit-Position: refs/heads/master@{#455763}
Committed: https://chromium.googlesource.com/chromium/src/+/2cdd3bc1bae9ff0f2a2e6c4408e646e32de1e9f0

[stkhapugin, 2017-03-09 14:59:40]

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

[commit-bot: I haz the power, 2017-03-09 14:59:54]

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, 2017-03-09 15:59:57]

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

[commit-bot: I haz the power, 2017-03-09 15:59:58]

Dry run: This issue passed the CQ dry run.

[stkhapugin, 2017-03-09 16:23:28]

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

[stkhapugin, 2017-03-09 16:23:29]

PTAL

[lpromero, 2017-03-09 16:25:15]

The CQ bit was checked by lpromero@chromium.org

[lpromero, 2017-03-09 16:25:15]

lgtm

[commit-bot: I haz the power, 2017-03-09 16:25:43]

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, 2017-03-09 16:31:15]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489076715240790, "parent_rev":
"c8f4e1ce15fbe54f10910f18eefbbb2419d3b97d", "commit_rev":
"2cdd3bc1bae9ff0f2a2e6c4408e646e32de1e9f0"}

[commit-bot: I haz the power, 2017-03-09 16:32:35]

Description was changed from

==========
[ObjC ARC] Converts ios/chrome/browser/ui/collection_view:test_support to ARC.

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

to

==========
[ObjC ARC] Converts ios/chrome/browser/ui/collection_view:test_support to ARC.

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

Review-Url: https://codereview.chromium.org/2743723002
Cr-Commit-Position: refs/heads/master@{#455763}
Committed:
https://chromium.googlesource.com/chromium/src/+/2cdd3bc1bae9ff0f2a2e6c4408e6...
==========