[gtk] (9 commits) Non-fast-forward update to branch wip/baedert/single-node-window

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/single-node-window' 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:

  0015983... widget: Remove GtkWindow special case in create_render_node
  af2653d... window: Remove custom snapshot() implementation
  36ecfd7... window: Don't care about shadow in size_allocate()
  7c50a8d... window: Don't care about shadow in measure()
  5f32150... window: Remove decoration node
  5ca55d6... /o\

Commits added to the branch:

  cbc2493... Update Japanese translation (*)
  d0c54c1... Update Japanese translation (*)
  a40a6c1... widget: Remove GtkWindow special case in create_render_node
  11f97ce... window: Remove custom snapshot() implementation
  793eb46... window: Don't care about shadow in size_allocate()
  5766b59... window: Don't care about shadow in measure()
  d6e40d3... window: Remove decoration node
  36795c1... inspector: Apply toplevel transform before snapshotting ove
  1e601a9... /o\

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