Re-enable ChannelMojo

It was disabled due to crbug.com/466814 that is now fixed.
It's time to turn it on again.

R=viettrungluu@chromium.org
BUG=466814,377980

Review URL: https://codereview.chromium.org/1021393002

Cr-Commit-Position: refs/heads/master@{#322092}


CrOS-Libchrome-Original-Commit: c99c93842fa50f85888d069f0be962462f92a643
1 file changed
tree: d4c7ac61cf04e85ae0ec85d99feaf66c19a1e7b4
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/