Add new Chrome signing/diff scripts to build configs.

Add new Chrome signing/diff scripts to build configs.

R=mark@chromium.org
BUG=660598
Review-Url: https://codereview.chromium.org/2479543003
Cr-Commit-Position: refs/heads/master@{#430067}
(cherry picked from commit f1b58e59add1ada98d78b6b883da1952e0712fd5)

Committed: https://chromium.googlesource.com/chromium/src/+/d3955524eebed96b98f529530186f75d857aea1e

[Michael Moss, 2016-11-07 19:34:01]

Description was changed from

==========
Add new Chrome signing/diff scripts to build configs.

R=mark@chromium.org
BUG=660598

Review-Url: https://codereview.chromium.org/2479543003
Cr-Commit-Position: refs/heads/master@{#430067}
(cherry picked from commit f1b58e59add1ada98d78b6b883da1952e0712fd5)
==========

to

==========
Add new Chrome signing/diff scripts to build configs.

R=mark@chromium.org
BUG=660598

Review-Url: https://codereview.chromium.org/2479543003
Cr-Commit-Position: refs/heads/master@{#430067}
(cherry picked from commit f1b58e59add1ada98d78b6b883da1952e0712fd5)

Committed:
https://chromium.googlesource.com/chromium/src/+/d3955524eebed96b98f529530186...
==========

[Michael Moss, 2016-11-07 19:34:05]

Committed patchset #1 (id:1) manually as
d3955524eebed96b98f529530186f75d857aea1e.

[Mark Mentovai, 2016-11-07 21:02:34]

LGTM