Convert DelegationTracker::DelegatedForChild to use the new navigation callbacks.

Convert DelegationTracker::DelegatedForChild to use the new navigation callbacks.

BUG=682002
Review-Url: https://codereview.chromium.org/2676203002
Cr-Commit-Position: refs/heads/master@{#448237}
Committed: https://chromium.googlesource.com/chromium/src/+/b5ca71cc52d03f571730ac6c108a49ab11b4ee22

[jam, 2017-02-06 04:35:23]

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

[commit-bot: I haz the power, 2017-02-06 04:35:36]

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, 2017-02-06 05:15:08]

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

[commit-bot: I haz the power, 2017-02-06 05:15:09]

Dry run: This issue passed the CQ dry run.

[jam, 2017-02-06 05:52:44]

jam@chromium.org changed reviewers:
+ mlamouri@chromium.org

[mlamouri (slow - plz ping), 2017-02-06 12:54:17]

The CQ bit was checked by mlamouri@chromium.org

[mlamouri (slow - plz ping), 2017-02-06 12:54:17]

lgtm

[commit-bot: I haz the power, 2017-02-06 12:54:32]

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, 2017-02-06 13:04:20]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486385657109490, "parent_rev":
"4fb8fea42adb06710ff815dec59d1a812105f637", "commit_rev":
"b5ca71cc52d03f571730ac6c108a49ab11b4ee22"}

[commit-bot: I haz the power, 2017-02-06 13:04:56]

Description was changed from

==========
Convert DelegationTracker::DelegatedForChild to use the new navigation
callbacks.

BUG=682002
==========

to

==========
Convert DelegationTracker::DelegatedForChild to use the new navigation
callbacks.

BUG=682002

Review-Url: https://codereview.chromium.org/2676203002
Cr-Commit-Position: refs/heads/master@{#448237}
Committed:
https://chromium.googlesource.com/chromium/src/+/b5ca71cc52d03f571730ac6c108a...
==========

[commit-bot: I haz the power, 2017-02-06 13:04:57]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/b5ca71cc52d03f571730ac6c108a...