R=akuegel@chromium.org,pgervais@chromium.org
BUG=477454

Review URL: https://codereview.chromium.org/1099143002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@295007 0039d316-1c4b-4281-b951-d872f2087c98