Arc++: Fix a regression issue that some Chrome app could not load its icon when login at first time.

Arc++: Fix a regression issue that Chrome app could not load its icon when login at first time.

It's a regression issue caused by https://codereview.chromium.org/2067943004.

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correctly.

BUG=b/29547412

Committed: https://crrev.com/86716bea3382dca438a9c156e39d271965cb4bca
Cr-Commit-Position: refs/heads/master@{#401142}

[xdai1, 2016-06-21 22:25:31]

Description was changed from

==========
Arc++: Fix a regression issue that Chrome app could not load its icon when login
at first time.

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correclty.

BUG=b/29547412
==========

to

==========
Arc++: Fix a regression issue that Chrome app could not load its icon when login
at first time.

It's a regression issue caused by https://codereview.chromium.org/2067943004. 

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correctly.

BUG=b/29547412
==========

[xdai1, 2016-06-21 22:26:00]

xdai@chromium.org changed reviewers:
+ xiyuan@chromium.org

[xdai1, 2016-06-21 22:26:01]

xiyuan@, could you help review this CL please? Thanks!

[xiyuan, 2016-06-21 22:33:34]

lgtm

[xdai1, 2016-06-21 22:34:48]

On 2016/06/21 22:33:34, xiyuan wrote:
> lgtm

Thanks for the review!

[xdai1, 2016-06-21 22:34:52]

The CQ bit was checked by xdai@chromium.org

[commit-bot: I haz the power, 2016-06-21 22:36:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2086163002/1

[commit-bot: I haz the power, 2016-06-22 00:00:38]

Description was changed from

==========
Arc++: Fix a regression issue that Chrome app could not load its icon when login
at first time.

It's a regression issue caused by https://codereview.chromium.org/2067943004. 

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correctly.

BUG=b/29547412
==========

to

==========
Arc++: Fix a regression issue that Chrome app could not load its icon when login
at first time.

It's a regression issue caused by https://codereview.chromium.org/2067943004. 

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correctly.

BUG=b/29547412
==========

[commit-bot: I haz the power, 2016-06-22 00:00:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-22 00:02:41]

Description was changed from

==========
Arc++: Fix a regression issue that Chrome app could not load its icon when login
at first time.

It's a regression issue caused by https://codereview.chromium.org/2067943004. 

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correctly.

BUG=b/29547412
==========

to

==========
Arc++: Fix a regression issue that Chrome app could not load its icon when login
at first time.

It's a regression issue caused by https://codereview.chromium.org/2067943004.

Repro steps:
1. In the login screen add a new user
2. Wait until all chrome apps are loaded.
All Chrome apps should have their apps correctly.

BUG=b/29547412

Committed: https://crrev.com/86716bea3382dca438a9c156e39d271965cb4bca
Cr-Commit-Position: refs/heads/master@{#401142}
==========

[commit-bot: I haz the power, 2016-06-22 00:02:42]

Patchset 1 (id:??) landed as
https://crrev.com/86716bea3382dca438a9c156e39d271965cb4bca
Cr-Commit-Position: refs/heads/master@{#401142}