tree a89865a5dcc114a5f1d996327c8251c07cc494bc
parent 4df9fdfd3ee24b086614ee98900ee5916af63cbc
author Natalie Weizenbaum <nweiz@google.com> 1466457649 -0700
committer Natalie Weizenbaum <nweiz@google.com> 1466457649 -0700

Properly depend on async.

We had this as a dev dependency, but we were importing it from lib.

R=jmesserly@google.com

Review URL: https://codereview.chromium.org//2074573002 .