[gtk] (23 commits) Non-fast-forward update to branch wip/chergert/textview-widgets

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/textview-widgets' 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:

  c9c6d56... textview: remove gtk_text_view_set_border_window_size()
  ed1aa95... textview: use child widgets to measure GtkTextWindowType
  a6e6747... textview: add get_gutter() and set_gutter()
  97d8bc9... textview: remove previous allocation changes
  a0294b4... textview: rename add_child_in_window() to add_overlay()
  437cfab... textview: rename translate coordinate functions

Commits added to the branch:

  7de0764... headerbar: Fix end-packed child order (*)
  c2b823f... Update Persian translation (*)
  3fcd39f... docs: Add GtkNative to types (*)
  ca3d855... levelbar: Use a bin layout (*)
  29244c5... video: Use a bin layout (*)
  991f4ed... menubar: Use a box layout (*)
  8122156... scrolledwindow: Remove set_placement_internal() (*)
  ea1ff9c... filechooserbutton: Remove an outdated comment (*)
  12438b3... filechooserbutton: Remove priv->child (*)
  d032396... filechooserbutton: Add icon to default (None) combo box ite (*)
  5d8c8f3... dialog: Remove useless gtk_widget_show() call (*)
  387587d... colorbutton: Use a bin layout (*)
  1b4bce4... fontchooserwidget: Use a bin layout (*)
  e05b87c... gl renderer: Fix rounded rect intersection (*)
  413cfed... searchentry: Use edit-clear-all-symbolic as clear icon (*)
  43f2b47... searchentry: Use a box layout (*)
  78a376a... snapshot: Try to avoid some linear gradient nodes (*)
  7ce1055... eventcontrollerscroll: Events are unhandled by default (*)
  0ad4166... mediafile: Add g-i annotations for actual return-type of fa (*)
  9122364... Merge branch 'wip/ricotz/mediafile' into 'master' (*)
  62c195e... textview: require text window for adding widgets
  f9ac7b5... textview: simplify use of border windows
  daa2988... textview: revert renaming of buffer_to_surface_coords()

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