Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

BUG=682002
Review-Url: https://codereview.chromium.org/2665303003
Cr-Commit-Position: refs/heads/master@{#447649}
Committed: https://chromium.googlesource.com/chromium/src/+/a3d5801d55db75ed92b135170b561f2eab7761f3

[jam, 2017-02-01 20:50:40]

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

[commit-bot: I haz the power, 2017-02-01 20:51:05]

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, 2017-02-01 21:46:40]

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

[commit-bot: I haz the power, 2017-02-01 21:46:41]

Dry run: This issue passed the CQ dry run.

[jam, 2017-02-01 21:55:29]

Description was changed from

==========
Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

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

to

==========
Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

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

[jam, 2017-02-01 21:55:29]

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

[dpapad, 2017-02-01 23:52:50]

lgtm

[jam, 2017-02-01 23:54:56]

The CQ bit was checked by jam@chromium.org

[commit-bot: I haz the power, 2017-02-01 23:55:29]

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, 2017-02-02 00:00:50]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485993296447850, "parent_rev":
"fa48a8f45bf07161f7b5ba5e4529309284f15520", "commit_rev":
"a3d5801d55db75ed92b135170b561f2eab7761f3"}

[commit-bot: I haz the power, 2017-02-02 00:01:28]

Description was changed from

==========
Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

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

to

==========
Convert print_dialog_cloud::SignInObserver to use the new navigation callbacks.

BUG=682002

Review-Url: https://codereview.chromium.org/2665303003
Cr-Commit-Position: refs/heads/master@{#447649}
Committed:
https://chromium.googlesource.com/chromium/src/+/a3d5801d55db75ed92b135170b56...
==========

[commit-bot: I haz the power, 2017-02-02 00:01:28]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/a3d5801d55db75ed92b135170b56...