Was broken by the refactor done in
http://crrev.com/900a33fb4df00cf36c87f4c5c11b4390b23e2a03

BUG=

Review URL: https://codereview.chromium.org/1462553002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@297633 0039d316-1c4b-4281-b951-d872f2087c98