arc: Fix logic of selection terms version in OptIn.

arc: Fix logic of selection terms version in OptIn.

We are not allowed to show ToS in different than Chrome UI language,
except the case when we are unable to determine right combination of
language and zone and show ToS in default English. This also provides
handling of navigator.language in 2 forwats, short and long which
can appear in terms.

BUG=636178
BUG=b/30434808
TEST=Manually on device, various combinations of time zone,
     UI languages and VPN.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Committed: https://crrev.com/b4cf059891075dc7f6e45bdc114118c1e5579f46
Cr-Commit-Position: refs/heads/master@{#411077}

[khmel, 2016-08-10 00:36:58]

Description was changed from

==========
arc: Fix logic of selection terms version in OptIn.

We are not allowed to show ToS in different than Chrome UI language,
except the case when we are unable to determine right combination of
language and zone and show ToS in default English. This also provides
handling of navigator.language in 2 forwats, short and long which
can appear in terms.

BUG=636178
BUG=b/30434808
TEST=Manually on device, various combinations of time zone,
     UI languages and VPN.
==========

to

==========
arc: Fix logic of selection terms version in OptIn.

We are not allowed to show ToS in different than Chrome UI language,
except the case when we are unable to determine right combination of
language and zone and show ToS in default English. This also provides
handling of navigator.language in 2 forwats, short and long which
can appear in terms.

BUG=636178
BUG=b/30434808
TEST=Manually on device, various combinations of time zone,
     UI languages and VPN.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

[khmel, 2016-08-10 00:38:20]

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

[khmel, 2016-08-10 00:38:20]

Hi Xiyuan,

PTAL

[xiyuan, 2016-08-10 16:01:14]

lgtm

[khmel, 2016-08-10 16:02:05]

The CQ bit was checked by khmel@chromium.org

[commit-bot: I haz the power, 2016-08-10 16:02:24]

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, 2016-08-10 16:06:16]

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

[commit-bot: I haz the power, 2016-08-10 16:06:17]

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

[khmel, 2016-08-10 16:07:13]

The CQ bit was checked by khmel@chromium.org

[commit-bot: I haz the power, 2016-08-10 16:07:41]

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, 2016-08-10 16:12:43]

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

[commit-bot: I haz the power, 2016-08-10 16:12:44]

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

[khmel, 2016-08-10 16:30:27]

The CQ bit was checked by khmel@chromium.org

[commit-bot: I haz the power, 2016-08-10 16:30:57]

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, 2016-08-10 17:47:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-10 17:50:04]

Description was changed from

==========
arc: Fix logic of selection terms version in OptIn.

We are not allowed to show ToS in different than Chrome UI language,
except the case when we are unable to determine right combination of
language and zone and show ToS in default English. This also provides
handling of navigator.language in 2 forwats, short and long which
can appear in terms.

BUG=636178
BUG=b/30434808
TEST=Manually on device, various combinations of time zone,
     UI languages and VPN.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
==========

to

==========
arc: Fix logic of selection terms version in OptIn.

We are not allowed to show ToS in different than Chrome UI language,
except the case when we are unable to determine right combination of
language and zone and show ToS in default English. This also provides
handling of navigator.language in 2 forwats, short and long which
can appear in terms.

BUG=636178
BUG=b/30434808
TEST=Manually on device, various combinations of time zone,
     UI languages and VPN.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Committed: https://crrev.com/b4cf059891075dc7f6e45bdc114118c1e5579f46
Cr-Commit-Position: refs/heads/master@{#411077}
==========

[commit-bot: I haz the power, 2016-08-10 17:50:05]

Patchset 1 (id:??) landed as
https://crrev.com/b4cf059891075dc7f6e45bdc114118c1e5579f46
Cr-Commit-Position: refs/heads/master@{#411077}