I ran into several failures running the presubmit checks
on my Ubuntu/Trusty laptop and it looks like a some of
the tests were broken by recent versions of svn and git.

Review URL: https://codereview.chromium.org/795723003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293341 0039d316-1c4b-4281-b951-d872f2087c98