[gtk] (64 commits) Non-fast-forward update to branch wip/chergert/gdk-remove-texture_from_surface

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/gdk-remove-texture_from_surface' 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:

  f02f824... gl: remove unused texture_from_surface API

Commits added to the branch:

  4ea2a66... a11y: Add parsing code for accessible values (*)
  9e4316b... a11y: Add an "accessibility" section to the builder XML tre (*)
  7702670... docs: Document the "accessibility" custom tag (*)
  fbb08a3... a11y: Add child state change to GtkATContext (*)
  8d46bd1... a11y: Notify of changes in the children list (*)
  f1e14c4... a11y: Implement ChildrenChanged atspi.Event (*)
  8075632... a11y: Handle relations in UI files (*)
  698cbee... a11y: Move ChildrenChanged emitter to ATSPI utilities (*)
  e45dd77... a11y: Emit ChildrenChanged for toplevel list changes (*)
  1d80288... stack: Change ordering for removal (*)
  a11ab6c... a11y: Handle stack case for addition/removal (*)
  3a1e019... print-editor: Fix a wrong comparison (*)
  c7dbb8e... label: Plug a potential memory leak (*)
  0dae1f4... listbox test: Only compare values for rows we have (*)
  af97f19... textview: Respect return value of get_text_surface_coords() (*)
  a2291fb... showrendernode: Pass error to deserialize() (*)
  3db5e15... filechooserwidget: gtk_widget_get_root() can return NULL (*)
  f6ebc06... filechooserwidget: Avoid an uninitialized value (*)
  56e89e8... demos: Remove a dead assignment (*)
  b166453... gdksurface: Ensure some assumptions (*)
  44728d0... stack: assert for some assumptions (*)
  41ef1d8... atspicontext: Add a few missing break statements (*)
  6dcdb4a... atspitextbuffer: Explicitly cast between pango and gtk enum (*)
  d97cb85... textview: Remove a broken debug output statement (*)
  85702f8... dnd demo: Make the transform code a bit more idiomatic (*)
  98e88b7... text: Avoid a crash (*)
  85d4b86... text: Fold focus_{in,out} into only caller (*)
  1bf79a4... text: Fix a documentation mishap (*)
  ff1fb4f... text: Remove empty root() implementation (*)
  b6a843a... gl renderer: Fix two scale_x/y mixups (*)
  9109dee... gl renderer: Don't use blur node bounds (*)
  5b2b2fe... a11y: Fix up state / change enum confusion (*)
  1e13acb... widget: Don't add reordered children (*)
  374a451... a11y: Don't present HIDDEN accessibles (*)
  b12992c... a11y: Handle HIDDEN state changes (*)
  46e754a... a11y: Skip non-presented children when required (*)
  e7b290d... a11y: Improve child notification for toplevels (*)
  89a8c89... a11y: Improve child index helpers (*)
  274f9ad... a11y: Emit child notification when toplevels get hidden (*)
  bba6d60... window: Maintain accessible HIDDEN state (*)
  2546b88... a11y: Redo child-added/-removed for toplevels (*)
  434b145... stack: Don't transition when the visible child is remove (*)
  7c10657... Cosmetics (*)
  9a943e2... stack: Update HIDDEN a11y state for stack pages (*)
  8ffb398... a11y: Handle all cases for state change (*)
  adb7676... a11y: More State<>Change confusion (*)
  313ba02... color editor: Add accessible labels (*)
  e050a26... builder: Expot _gtk_builder_boolean_from_string privately (*)
  fce455a... a11y: Parse booleans in ui files as expected (*)
  677ea5f... a11y: Reuse builder parsing for enums (*)
  f981ab7... Remove erroneous preconditions (*)
  0fddf73... a11y: Add some parser tests (*)
  c783e9a... Treat tristate as an enum when parsing (*)
  0c49f73... Merge branch 'matthiasc/a11y-buildable' into 'master' (*)
  8df883e... Merge branch 'matthiasc/atspi-child' into 'master' (*)
  3a119a3... dropdown: Make search entry shrink (*)
  25d2efe... dropdown: Add a checkmark to the selected item (*)
  907fc30... gtk-demo: Add checkmarks to all dropdown demos (*)
  975d763... Merge branch 'dropdown-checkmark' into 'master' (*)
  d5b9489... Merge branch 'wip/baedert/for-master' into 'master' (*)
  f90e7b9... Update POTFILES.skip (*)
  5cbc555... textview: Update child allocations (*)
  90fde9c... Merge branch 'matthiasc/for-master' into 'master' (*)
  524fbc3... gl: remove unused texture_from_surface API

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