Fix message leaks in some Mojo tests

Bug: 813209
Change-Id: Ibff09c20e6be0b3494eb27b3edbc732292335578
Reviewed-on: https://chromium-review.googlesource.com/924586
Reviewed-by: Jay Civelli <jcivelli@chromium.org>
Commit-Queue: Ken Rockot <rockot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#538075}

CrOS-Libchrome-Original-Commit: c1940dc5fc671f2aa1a369349a5ee8654bcc8160
2 files changed
tree: 378a8ea63d8f3972505a603361e3f77960ef0ea5
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/