tree d89aea9e2d051dcd2f4f316020a4b3263f0162bb
parent 2411bacd048227a68336082067950933920ba1c1
author Yuchen Zeng <zyc@google.com> 1503434618 -0700
committer Yuchen Zeng <zyc@google.com> 1503453385 -0700

Prevent watching unsuppoted channels