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

NOTRY=true
NOPRESUBMIT=true 
TBR=reviewer@chromium.org

Review-Url: https://codereview.chromium.org/2234573002
Cr-Commit-Position: refs/heads/master@{#411077}
(cherry picked from commit b4cf059891075dc7f6e45bdc114118c1e5579f46)

[khmel, 2016-08-11 17:40:14]

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

Review-Url: https://codereview.chromium.org/2234573002
Cr-Commit-Position: refs/heads/master@{#411077}
(cherry picked from commit b4cf059891075dc7f6e45bdc114118c1e5579f46)
==========

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

NOTRY=true
NOPRESUBMIT=true 
TBR=reviewer@chromium.org

Review-Url: https://codereview.chromium.org/2234573002
Cr-Commit-Position: refs/heads/master@{#411077}
(cherry picked from commit b4cf059891075dc7f6e45bdc114118c1e5579f46)
==========

[khmel, 2016-08-11 17:40:23]

lgtm

[khmel, 2016-08-11 17:40:26]

The CQ bit was checked by khmel@chromium.org

[commit-bot: I haz the power, 2016-08-11 17:40:54]

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, 2016-08-11 18:05:53]

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

NOTRY=true
NOPRESUBMIT=true 
TBR=reviewer@chromium.org

Review-Url: https://codereview.chromium.org/2234573002
Cr-Commit-Position: refs/heads/master@{#411077}
(cherry picked from commit b4cf059891075dc7f6e45bdc114118c1e5579f46)
==========

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

NOTRY=true
NOPRESUBMIT=true 
TBR=reviewer@chromium.org

Review-Url: https://codereview.chromium.org/2234573002
Cr-Commit-Position: refs/heads/master@{#411077}
(cherry picked from commit b4cf059891075dc7f6e45bdc114118c1e5579f46)
==========

[commit-bot: I haz the power, 2016-08-11 18:05:54]

Committed patchset #1 (id:1)