[ios] Remove unused ivars from MainControler

[ios] Remove unused ivars from MainControler

BUG=

Review-Url: https://codereview.chromium.org/2936603002
Cr-Commit-Position: refs/heads/master@{#478619}
Committed: https://chromium.googlesource.com/chromium/src/+/543152988268c76df1910d458c0b10775f80c40f

[marq (ping after 24h), 2017-06-12 14:36:54]

marq@chromium.org changed reviewers:
+ gambard@chromium.org

[marq (ping after 24h), 2017-06-12 14:36:55]

Please CQ if OK.

[gambard, 2017-06-12 14:37:52]

The CQ bit was checked by gambard@chromium.org

[gambard, 2017-06-12 14:37:52]

lgtm

[commit-bot: I haz the power, 2017-06-12 14:38:11]

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, 2017-06-12 14:52:21]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497278272013180, "parent_rev":
"db9fc12b563cc860af67e91a571c262afcef72f8", "commit_rev":
"543152988268c76df1910d458c0b10775f80c40f"}

[commit-bot: I haz the power, 2017-06-12 14:52:37]

Description was changed from

==========
[ios] Remove unused ivars from MainControler

BUG=
==========

to

==========
[ios] Remove unused ivars from MainControler

BUG=

Review-Url: https://codereview.chromium.org/2936603002
Cr-Commit-Position: refs/heads/master@{#478619}
Committed:
https://chromium.googlesource.com/chromium/src/+/543152988268c76df1910d458c0b...
==========

[commit-bot: I haz the power, 2017-06-12 14:52:38]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/543152988268c76df1910d458c0b...