[mutter] (25 commits) ...backends: Move warp_pointer() to ClutterSeat

[Carlos Garnacho <carlosg src gnome org>]

Summary of changes:

  88fb003... x11: Drop subscription for input event from floating device (*)
  467e94f... clutter: Add ClutterSeat object (*)
  1611979... x11: Implement ClutterSeat (*)
  5bb3d86... native: Implement ClutterSeat (*)
  9aba37f... clutter: Move keymap direction from ClutterBackend to Clutt (*)
  1fc021c... clutter: Move bell_notify() from ClutterBackend to ClutterS (*)
  9be4f98... clutter: Move keymap from ClutterBackend to ClutterSeat (*)
  34ce39f... clutter: Move platform event data management to ClutterSeat (*)
  bc7ba8c... clutter: Move keyboard a11y from ClutterDeviceManager to Cl (*)
  8d0527f... clutter: Move pointer a11y from ClutterDeviceManager to Clu (*)
  1c689b8... clutter: Move virtual device management to ClutterSeat (*)
  7afbc01... clutter: Move motion compression handling to ClutterSeat (*)
  835f120... clutter: Drop select_stage_events() device manager vfunc (*)
  6dfd2ff... wayland: Replace ClutterDeviceManager usage in favor of Clu (*)
  7644dde... core: Replace ClutterDeviceManager usage in favor of Clutte (*)
  4761c4e... backends: Move native keymap manipulation functions to Meta (*)
  f55d4f3... backends: Make meta_backend_update_last_device() take a clu (*)
  f8fa86f... clutter: Replace ClutterDeviceManager usage in favor of Clu (*)
  4413b86... backends: Replace ClutterDeviceManager usage in favor of Cl (*)
  873449d... tests: Replace ClutterDeviceManager usage in favor of Clutt (*)
  d3160d0... clutter: Drop ClutterDeviceManager (*)
  e9fbbd5... backends: Do not use device IDs on idle monitors (*)
  f1d4d68... backends: Drop get_relative_motion_deltas() vfunc (*)
  9da275c... backends: Set pointer constrain/relative motion hooks befor (*)
  1e9682b... backends: Move warp_pointer() to ClutterSeat (*)

(*) This commit already existed in another branch; no separate mail sent