R=dnj@chromium.org, hinoka@chromium.org, luqui@chromium.org, martiniss@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1693993002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@298774 0039d316-1c4b-4281-b951-d872f2087c98