[Telemetry] Move the deprecate decorator of form_based_credentials_backend to LoginNeeded method

[Telemetry] Move the deprecate decorator of form_based_credentials_backend to LoginNeeded method

This makes it less spammy for benchmarks that don't actually use this
code path.

BUG=catapult:#2318

Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/6540f08432a9778e1d8136a3e9adac978f01de1b

[nednguyen, 2016-06-09 01:36:06]

Description was changed from

==========
[Telemetry] Move the deprecate decorator of form_based_credentials_backend to
LoginNeeded method

BUG=catapult:#2318
==========

to

==========
[Telemetry] Move the deprecate decorator of form_based_credentials_backend to
LoginNeeded method

This makes it less spammy for benchmarks that don't actually use this
code path.

BUG=catapult:#2318
==========

[nednguyen, 2016-06-09 01:36:06]

nednguyen@google.com changed reviewers:
+ perezju@chromium.org, sullivan@chromium.org

[nednguyen, 2016-06-09 01:36:16]

The CQ bit was checked by nednguyen@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-06-09 01:36:17]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2050863003/1

[sullivan, 2016-06-09 02:46:39]

lgtm

[perezju, 2016-06-09 09:41:57]

this works! thanks, lgtm

[nednguyen(REVIEW IN OTHER ACC), 2016-06-09 12:08:39]

The CQ bit was checked by nednguyen@chromium.org

[commit-bot: I haz the power, 2016-06-09 12:08:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2050863003/20001

[commit-bot: I haz the power, 2016-06-09 12:43:48]

Description was changed from

==========
[Telemetry] Move the deprecate decorator of form_based_credentials_backend to
LoginNeeded method

This makes it less spammy for benchmarks that don't actually use this
code path.

BUG=catapult:#2318
==========

to

==========
[Telemetry] Move the deprecate decorator of form_based_credentials_backend to
LoginNeeded method

This makes it less spammy for benchmarks that don't actually use this
code path.

BUG=catapult:#2318

Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
==========

[commit-bot: I haz the power, 2016-06-09 12:43:48]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...