Merge to XFA - else after returns.

(cherry picked from commit 3c012fef2bb72c8ec1faa73e11ee35539b2559d6)
Original Review URL: https://codereview.chromium.org/1243953004 .

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1239313005 .
78 files changed