Mojo: MOJO_OVERRIDE -> override in mojo/.

Keep MOJO_OVERRIDE around very temporarily, since there are a few users
of it outside of mojo/.

(The change was clang-format'ed.)

R=sky@chromium.org

Review URL: https://codereview.chromium.org/617503003

Cr-Commit-Position: refs/heads/master@{#297252}


CrOS-Libchrome-Original-Commit: ddc0b03bf29e83034b1cccbed44b63d56ad79683
87 files changed
tree: e243cf26b75c6c359a979026303ea6e16b73a049
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/