Mojo: Remove some debugging CHECKs

Convincing evidence of external memory stomping obviates the
need for these checks.

BUG=740044

Change-Id: If614e20f9f6417600603b54acb01bd47a9eef6d0
Reviewed-on: https://chromium-review.googlesource.com/676752
Reviewed-by: Jay Civelli <jcivelli@chromium.org>
Commit-Queue: Ken Rockot <rockot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#503543}

CrOS-Libchrome-Original-Commit: 266baf964e232a7bba68d1daabed917899c82c51
4 files changed
tree: 0b6535a510cbe2db3bcc0685800eae099b737410
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/