Fix sheriff-o-matic imports.

These broke in 20495110c7c235dd6babe1de2b250f511bb29194.

TBR=teravest@chromium.org

Review URL: https://codereview.chromium.org/519743004

git-svn-id: svn://svn.chromium.org/blink/trunk@181119 bbb929c8-8fbe-4397-9dbb-9b2b20218538