[ios] Removed CookieStoreIOS::set_flush_delay_for_testing.

[ios] Removed CookieStoreIOS::set_flush_delay_for_testing.

This method is unused.

BUG=676144
Review-Url: https://codereview.chromium.org/2623523003
Cr-Commit-Position: refs/heads/master@{#442578}
Committed: https://chromium.googlesource.com/chromium/src/+/8a37ce2583292c6ffcf8440c72db5747b94513a4

[Eugene But (OOO till 7-30), 2017-01-09 18:00:12]

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

[commit-bot: I haz the power, 2017-01-09 18:00:36]

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, 2017-01-09 18:09:45]

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

[commit-bot: I haz the power, 2017-01-09 18:09:45]

Dry run: This issue passed the CQ dry run.

[Eugene But (OOO till 7-30), 2017-01-09 18:13:23]

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

[marq (ping after 24h), 2017-01-10 10:24:49]

lgtm

[Eugene But (OOO till 7-30), 2017-01-10 14:09:12]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2017-01-10 14:09:25]

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, 2017-01-10 14:13:16]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484057352251460, "parent_rev":
"6d50abdda57796bea71fcb11722b2dfa2048f282", "commit_rev":
"8a37ce2583292c6ffcf8440c72db5747b94513a4"}

[commit-bot: I haz the power, 2017-01-10 14:13:45]

Description was changed from

==========
[ios] Removed CookieStoreIOS::set_flush_delay_for_testing.

This method is unused.

BUG=676144
==========

to

==========
[ios] Removed CookieStoreIOS::set_flush_delay_for_testing.

This method is unused.

BUG=676144

Review-Url: https://codereview.chromium.org/2623523003
Cr-Commit-Position: refs/heads/master@{#442578}
Committed:
https://chromium.googlesource.com/chromium/src/+/8a37ce2583292c6ffcf8440c72db...
==========

[commit-bot: I haz the power, 2017-01-10 14:13:46]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/8a37ce2583292c6ffcf8440c72db...