[gtk] (40 commits) Non-fast-forward update to branch bin-removal

[Matthias Clasen <matthiasc src gnome org>]

The branch 'bin-removal' 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:

  48b9773... Use gtk_popover_set_child throughout
  59db1e0... popover: Derive from GtkWidget
  e8a60c6... scrolledwindow: Add a child property
  cd1c3d6... Use gtk_scrolled_window_set_child throughout
  c869329... scrolledwindow: Derive from GtkWidget
  2dc96d0... button: Add a child property
  4113185... Use gtk_button_set_child throughout
  96d3741... checkbutton: Modernize
  1bebc73... css tests: Update expected results
  c6a0d21... css testsuite: Remove an obsolete test
  694300c... button: Derive from GtkWidget
  16bcf07... window: Add a child property
  c4a468e... Use gtk_window_set_child throughout
  e6db48e... window: Derive from GtkWidget
  71e4b88... revealer: Add a child property
  fda06f8... Use gtk_revealer_set_child throughout
  f72b517... revealer: Derive from GtkWidget
  206e6ca... flowboxchild: Derive from GtkWidget
  6a66602... listboxrow: Derive from GtkWidget
  8948a76... searchbar: Add a child property
  e25f5b3... Use gtk_search_bar_set_child throughout
  1ba1a0b... searchbar: Derive from GtkWidget
  91cad3f... overlay: Add a child property
  151c21a... Use gtk_overlay_set_child throughout
  04fb473... overlay: Derive from GtkWidget
  2648362... Add gtk_overlay_remove_overlay
  8e60969... testgtk: Fix g_object_new use
  612080e... testkineticscrolling: Make this work again
  2e0bf87... combobox: Add a child property
  76b840c... Use gtk_combo_box_set_child throughout
  5543fc9... combobox: Derive from GtkWidget
  cec1362... tooltipwindow: Derive from GtkWidget
  e2925f0... builder-tool: Convert former bin children
  96af585... Add a test for bin child conversion
  cba31dd... gtk-demo: Port blur demo from GtkBin
  3b33aee... inspector: Derive recorder from GtkWidget
  14c3f6a... testtooltips: Derive demo from GtkWidget
  45ec780... Drop GtkBin
  485ec73... testsuite: Update a testcase
  9e032ae... docs: Fixup for an uninitialized variable
  ab113de... searchbar: Drop the Private struct
  9be554d... window: Fix up the teardown

Commits added to the branch:

  8e26105... Use gtk_popover_set_child throughout
  ee1f8d8... popover: Derive from GtkWidget
  54b6133... scrolledwindow: Add a child property
  67759d4... Use gtk_scrolled_window_set_child throughout
  9d7b77f... scrolledwindow: Derive from GtkWidget
  04e4a02... button: Add a child property
  af6e0ee... Use gtk_button_set_child throughout
  183431c... checkbutton: Modernize
  07441ad... css tests: Update expected results
  97d0e8c... css testsuite: Remove an obsolete test
  4aa5fba... button: Derive from GtkWidget
  b9b1bf8... window: Add a child property
  f59f355... Use gtk_window_set_child throughout
  9a65ed9... window: Derive from GtkWidget
  686be57... revealer: Add a child property
  649ae63... Use gtk_revealer_set_child throughout
  41322e2... revealer: Derive from GtkWidget
  b8d1a9e... flowboxchild: Derive from GtkWidget
  12ecbd1... listboxrow: Derive from GtkWidget
  e2abe6d... searchbar: Add a child property
  99ef14b... Use gtk_search_bar_set_child throughout
  3a9883b... searchbar: Derive from GtkWidget
  53f9737... overlay: Add a child property
  77af8e3... Use gtk_overlay_set_child throughout
  edd5d36... overlay: Derive from GtkWidget
  b96d7b6... Add gtk_overlay_remove_overlay
  e2781af... testgtk: Fix g_object_new use
  44f9a51... testkineticscrolling: Make this work again
  5d26af0... combobox: Add a child property
  ec394e8... Use gtk_combo_box_set_child throughout
  aae25c4... combobox: Derive from GtkWidget
  0ec5a3f... tooltipwindow: Derive from GtkWidget
  dec5707... builder-tool: Convert former bin children
  d8e4738... Add a test for bin child conversion
  fa848e9... gtk-demo: Port blur demo from GtkBin
  8d0773f... inspector: Derive recorder from GtkWidget
  cac514f... testtooltips: Derive demo from GtkWidget
  3c165b3... Drop GtkBin
  17c2151... testsuite: Update a testcase
  4735d38... docs: Fixup for an uninitialized variable