[mutter] (13 commits) Non-fast-forward update to branch wip/surface-content

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/surface-content' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c19b32c... Always map the client and frame windows
  cbede1f... compositor: Remove meta_compositor_window_[un]mapped
  07290c0... compositor: Remove pending_input_region
  82666fd... surface-actor: Move unobscured_region processing here
  2931f2a... window-actor: Simplify the unredirected check in cull_out
  a96f688... compositor: Simplify the unredirected window management cod
  5dd2ca9... window-actor: Flip set_redirected around
  b56ef0d... window-actor: Remove old unused APIs
  1dac1e6... Move position-changed / size-changed signals to the MetaWin
  c0f3660... window-actor: Split CLIENT_TYPE into two subclasses of Meta
  cfe7863... window: Delay the showing of XWayland clients until set_win

Commits added to the branch:

  96fc93d... xwayland: Reindent (*)
  9c87672... xwayland: Use server protocol wrappers instead of wl_resour (*)
  c116d92... Always map the client and frame windows
  82728ee... compositor: Remove meta_compositor_window_[un]mapped
  30c46b1... compositor: Remove pending_input_region
  14d921f... surface-actor: Move unobscured_region processing here
  7d057e5... window-actor: Simplify the unredirected check in cull_out
  278e731... compositor: Simplify the unredirected window management cod
  44665f0... window-actor: Flip set_redirected around
  cdf1c22... window-actor: Remove old unused APIs
  e10dfcf... Move position-changed / size-changed signals to the MetaWin
  9f6de8e... window-actor: Split CLIENT_TYPE into two subclasses of Meta
  6d7a843... window: Delay the showing of XWayland clients until set_win

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