[mutter] (18 commits) Created branch wip/dnd-surface2

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/dnd-surface2' was created.

Summary of new commits:

  92b7daa... wayland: Record the offset position
  dfde1ff... stage: Add overlay for the DnD surface
  40a85e0... cursor-renderer: Add setter for the DnD surface
  4b83b03... cursor-tracker: Wrap cursor renderer's DnD surface setter
  30cc4e1... data-device: Store the current drag grab
  78477dd... data-device: Update the DnD surface on drag grab updates
  a181ea3... surface: honor wl_surface_commit()s on the DnD surface
  1dbc9e8... detach dnd surface and pointer
  572727e... backend: Add meta_overlay_copy()
  79fdbbf... backend: Add "DnD failed" animation
  10c6056... backend: Add "DnD failed" animation plumbing on MetaCursorR
  aba8160... backend: Add "DnD failed" plumbing to the MetaCursorTracker
  102d1e6... wayland: Keep track of the origin surface and drag point on
  9efd96b... wayland: Unset local DnD surface if destroyed early during 
  827e0c2... wayland: Store whether the wl_data_source has a target sele
  869d12c... wayland: Trigger the DnD failed animation if no DnD is to h
  4024e6d... wayland: Add emit_crossing argument to meta_wayland_pointer
  5ebda22... wayland: Update focus window during DnD motion