Codegen'd UKM builders.

TBR=bmcquade

Change-Id: Id0933c23c20b818dc322ca7f487d1a242df61b4b
Reviewed-on: https://chromium-review.googlesource.com/530095
Commit-Queue: Steven Holte <[email protected]>
Reviewed-by: Robert Kaplow <[email protected]>
Cr-Commit-Position: refs/heads/master@{#488462}
9 files changed