It used to live in chromium build tool tree:
chrome/trunk/tools/build/scripts/slave/swarming/manifest_to_hash.py@251882
Directory build/scripts/slave/swarming/ is going away soon (with its
functionality replaced by swarming and isolate recipe modules). So this
script needs a new home.
R=maruel@chromium.org
NOTRY=true
BUG=
Review URL: https://codereview.chromium.org/180153005
git-svn-id: http://src.chromium.org/svn/trunk/src/build@254198 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
vadimsh@chromium.org