Make dbus::FileDescriptor a Pass()-movable type.

This will make it possible to return a dbus::FileDescriptor from a
function and bind it to a callback without wrapping it in a
dbus::ScopedFileDescriptor. This will allow us to fix the generated
DBus bindings to support methods that have file descriptors as output
parameters.

BUG=496469

Review URL: https://codereview.chromium.org/1170283005

Cr-Commit-Position: refs/heads/master@{#333901}


CrOS-Libchrome-Original-Commit: 8f22f63f0bb566682278d93b896dfc68fa731434
2 files changed
tree: 4b73d0f9e646eb70001babea917d545e5fe32687
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/