[ios] Fixed GetIndexForOffset for pending transient items.

[ios] Fixed GetIndexForOffset for pending transient items.

GetIndexForOffset() should decrease resulting index by 1 for pending
transient items to allow going back from interstitials that were added
to the middle of the stack.

BUG=677190
Committed: https://crrev.com/8f276d123db9ccd82569be7cb8658fde3999ae59
Cr-Commit-Position: refs/heads/master@{#440808}

[Eugene But (OOO till 7-30), 2016-12-27 21:51:49]

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

[kkhorimoto, 2016-12-27 22:16:49]

lgtm

[Eugene But (OOO till 7-30), 2016-12-27 22:17:48]

Thanks for quick review!

[Eugene But (OOO till 7-30), 2016-12-27 22:17:53]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2016-12-27 22:18:09]

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, 2016-12-27 22:36:36]

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

[commit-bot: I haz the power, 2016-12-27 22:36:37]

Try jobs failed on following builders:
  ios-simulator on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator/bui...)

[Eugene But (OOO till 7-30), 2016-12-27 23:34:52]

The CQ bit was checked by eugenebut@chromium.org

[Eugene But (OOO till 7-30), 2016-12-27 23:34:53]

The patchset sent to the CQ was uploaded after l-g-t-m from
kkhorimoto@chromium.org
Link to the patchset: https://codereview.chromium.org/2600263002/#ps20001
(title: "Fixed tests")

[commit-bot: I haz the power, 2016-12-27 23:35:10]

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, 2016-12-27 23:44:47]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1482881692484780,
"parent_rev": "aaaaf9e0d2a6754771e1f369538ba39996176e21", "commit_rev":
"74075490926cba197ad1652ddeccad83c85f6869"}

[commit-bot: I haz the power, 2016-12-27 23:45:14]

Description was changed from

==========
[ios] Fixed GetIndexForOffset for pending transient items.

GetIndexForOffset() should decrease resulting index by 1 for pending
transient items to allow going back from interstitials that were added
to the middle of the stack.

BUG=677190
==========

to

==========
[ios] Fixed GetIndexForOffset for pending transient items.

GetIndexForOffset() should decrease resulting index by 1 for pending
transient items to allow going back from interstitials that were added
to the middle of the stack.

BUG=677190

Review-Url: https://codereview.chromium.org/2600263002
==========

[commit-bot: I haz the power, 2016-12-27 23:45:14]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2017-01-02 15:47:53]

Description was changed from

==========
[ios] Fixed GetIndexForOffset for pending transient items.

GetIndexForOffset() should decrease resulting index by 1 for pending
transient items to allow going back from interstitials that were added
to the middle of the stack.

BUG=677190

Review-Url: https://codereview.chromium.org/2600263002
==========

to

==========
[ios] Fixed GetIndexForOffset for pending transient items.

GetIndexForOffset() should decrease resulting index by 1 for pending
transient items to allow going back from interstitials that were added
to the middle of the stack.

BUG=677190

Committed: https://crrev.com/8f276d123db9ccd82569be7cb8658fde3999ae59
Cr-Commit-Position: refs/heads/master@{#440808}
==========

[commit-bot: I haz the power, 2017-01-02 15:47:54]

Patchset 2 (id:??) landed as
https://crrev.com/8f276d123db9ccd82569be7cb8658fde3999ae59
Cr-Commit-Position: refs/heads/master@{#440808}