Migrate WaitableEvent to enum-based constructor in dbus/

Change automated with clang-tidy (details @ https://crbug.com/612843#c13)

BUG=612843

Review-Url: https://codereview.chromium.org/2030653002
Cr-Commit-Position: refs/heads/master@{#397374}


CrOS-Libchrome-Original-Commit: 0faddf48a500f60b02b06b197678062ad3c8b856
1 file changed
tree: d0a1b172e33ddc6939e5e277dc9b295990f44655
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/