Refactor genjson processing code.

Refactor genjson processing code.

BUG=732677
Review-Url: https://codereview.chromium.org/2937583003
Committed: https://github.com/luci/luci-go/commit/b903ee51e442ff3fdbe533b7e9cfec96139a8ad4

[mcgreevy, 2017-06-13 06:23:43]

mcgreevy@chromium.org changed reviewers:
+ tansell@chromium.org

[mithro, 2017-06-13 06:39:27]

Let's try that again...

LGTM!

[mcgreevy, 2017-06-15 04:02:26]

The CQ bit was checked by mcgreevy@chromium.org

[commit-bot: I haz the power, 2017-06-15 04:02:31]

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, 2017-06-15 04:11:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497499346768200, "parent_rev":
"2bf17973b3ef98d40feda9e113bcb8c6607b479b", "commit_rev":
"b903ee51e442ff3fdbe533b7e9cfec96139a8ad4"}

[commit-bot: I haz the power, 2017-06-15 04:11:13]

Description was changed from

==========
Refactor genjson processing code.

BUG=732677
==========

to

==========
Refactor genjson processing code.

BUG=732677

Review-Url: https://codereview.chromium.org/2937583003
Committed:
https://github.com/luci/luci-go/commit/b903ee51e442ff3fdbe533b7e9cfec96139a8ad4
==========

[commit-bot: I haz the power, 2017-06-15 04:11:14]

Committed patchset #1 (id:1) as
https://github.com/luci/luci-go/commit/b903ee51e442ff3fdbe533b7e9cfec96139a8ad4