Removing the |MemoryPressureObserverChromeOS::MemoryPressureLevel| enum.

BUG=-
TEST=-

Review URL: https://codereview.chromium.org/812733002

Cr-Commit-Position: refs/heads/master@{#308815}


CrOS-Libchrome-Original-Commit: d6fa29ae5ffe1f9c036dbdeebd887aebbbcb15d8
2 files changed
tree: e907da465aded7ee6f35b7ba656c79e5b5bc1484
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/