Change creation order of TabModel observers.

Change creation order of TabModel observers.

In preparation of future refactoring, create the TabModel observers
after setting the other ivar and creating the other internal objects
(in particular the TabUsageRecorder).

BUG=687207
Review-Url: https://codereview.chromium.org/2706253002
Cr-Commit-Position: refs/heads/master@{#452533}
Committed: https://chromium.googlesource.com/chromium/src/+/419718939c4af924bcc43dea66656ec03419cb7d

[sdefresne, 2017-02-21 16:32:57]

sdefresne@chromium.org changed reviewers:
+ marq@chromium.org, rohitrao@chromium.org

[sdefresne, 2017-02-21 16:32:58]

To whoever will be fastest.

[marq (ping after 24h), 2017-02-21 16:37:22]

lgtm

[sdefresne, 2017-02-23 16:29:57]

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

[commit-bot: I haz the power, 2017-02-23 16:30:23]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[sdefresne, 2017-02-23 16:36:43]

The CQ bit was unchecked by sdefresne@chromium.org

[sdefresne, 2017-02-23 16:36:57]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2017-02-23 16:37:24]

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, 2017-02-23 17:24:18]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487867817430690, "parent_rev":
"b85e2704bd0928862b747cc19e10b95f35efef04", "commit_rev":
"419718939c4af924bcc43dea66656ec03419cb7d"}

[commit-bot: I haz the power, 2017-02-23 17:24:55]

Description was changed from

==========
Change creation order of TabModel observers.

In preparation of future refactoring, create the TabModel observers
after setting the other ivar and creating the other internal objects
(in particular the TabUsageRecorder).

BUG=687207
==========

to

==========
Change creation order of TabModel observers.

In preparation of future refactoring, create the TabModel observers
after setting the other ivar and creating the other internal objects
(in particular the TabUsageRecorder).

BUG=687207

Review-Url: https://codereview.chromium.org/2706253002
Cr-Commit-Position: refs/heads/master@{#452533}
Committed:
https://chromium.googlesource.com/chromium/src/+/419718939c4af924bcc43dea6665...
==========

[commit-bot: I haz the power, 2017-02-23 17:24:56]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/419718939c4af924bcc43dea6665...