tree 3dd16467496a8dbccdd59594d625c7d507b32d67
parent b7361435b3ef797c0bdcae55330345ae620b3bae
author Elliot Poger <epoger@google.com> 1407957427 -0400
committer Elliot Poger <epoger@google.com> 1407957427 -0400

add NewGitCheckout to git_utils.py

rebaseline_server will use this to check out expectations at specific revisions

BUG=skia:1918
TBR=rmistry

Review URL: https://codereview.chromium.org/464413003