Add "MkKeyContext" KeyContext generation function.

Add "MkKeyContext" KeyContext generation function.

This function helps generate KeyContexts concisely in other packages,
where direct struct initialization without field names will trigger linter
complaints.

BUG=None
TEST=local
  - go test ./...
  - Tested `goapp test ./impl/prod`
  - Tested "impl/cloud" with "gcd.sh".

R=iannucci@chromium.org

Committed: https://github.com/luci/gae/commit/674c24e7256c2f71621475bc126a0b76508c4bf0

[dnj, 2016-09-20 17:27:07]

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

[commit-bot: I haz the power, 2016-09-20 17:27:13]

Dry run: 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, 2016-09-20 17:32:47]

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

[commit-bot: I haz the power, 2016-09-20 17:32:48]

Dry run: This issue passed the CQ dry run.

[iannucci, 2016-09-20 18:32:44]

Told ya.

lgtm

[dnj, 2016-09-20 20:36:00]

The CQ bit was checked by dnj@chromium.org

[commit-bot: I haz the power, 2016-09-20 20:36:06]

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, 2016-09-20 20:42:06]

Description was changed from

==========
Add "MkKeyContext" KeyContext generation function.

This function helps generate KeyContexts concisely in other packages,
where direct struct initialization without field names will trigger linter
complaints.

BUG=None
TEST=local
  - go test ./...
  - Tested `goapp test ./impl/prod`
  - Tested "impl/cloud" with "gcd.sh".

R=iannucci@chromium.org
==========

to

==========
Add "MkKeyContext" KeyContext generation function.

This function helps generate KeyContexts concisely in other packages,
where direct struct initialization without field names will trigger linter
complaints.

BUG=None
TEST=local
  - go test ./...
  - Tested `goapp test ./impl/prod`
  - Tested "impl/cloud" with "gcd.sh".

R=iannucci@chromium.org

Committed:
https://github.com/luci/gae/commit/674c24e7256c2f71621475bc126a0b76508c4bf0
==========

[commit-bot: I haz the power, 2016-09-20 20:42:07]

Committed patchset #1 (id:1) as
https://github.com/luci/gae/commit/674c24e7256c2f71621475bc126a0b76508c4bf0

[dnj, 2016-09-20 20:46:53]

On 2016/09/20 18:32:44, iannucci wrote:
> Told ya.

I didn't claim otherwise, just noted that I couldn't reproduce the error within
luci/gae :)