R=seanmccullough@google.com, seanmccullough@chromium.org
BUG=599145

Review URL: https://codereview.chromium.org/1846633003 .

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@299571 0039d316-1c4b-4281-b951-d872f2087c98