memory-infra: Remove is_enabled_ from MDM

This is one step the eventual refactor to remove Enable/Disable.

BUG=705564

Review-Url: https://codereview.chromium.org/2845633002
Cr-Commit-Position: refs/heads/master@{#470340}


CrOS-Libchrome-Original-Commit: 49ce146674cbe4be5d7e1b53d270d229830a64ce
4 files changed
tree: 2604fdfd7650a40ca6c0b45823cc0574e6b351cd
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/