[webkit-changes] [WebKit/WebKit] 481028: AX: comboboxes with aria-activedescendant but no a...

[Commit Queue]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 481028cb765bb767493e48b704e8a64f5907ae37
      https://github.com/WebKit/WebKit/commit/481028cb765bb767493e48b704e8a64f5907ae37
  Author: Dominic Mazzoni <dmazzoni at google.com>
  Date:   2023-11-03 (Fri, 03 Nov 2023)

  Changed paths:
    A LayoutTests/accessibility/aria-combobox-no-owns-expected.txt
    A LayoutTests/accessibility/aria-combobox-no-owns.html
    A LayoutTests/platform/glib/accessibility/aria-combobox-no-owns-expected.txt
    M Source/WebCore/accessibility/AXObjectCache.cpp

  Log Message:
  -----------
  AX: comboboxes with aria-activedescendant but no aria-owns no longer work
https://bugs.webkit.org/show_bug.cgi?id=263979
rdar://117747058

Reviewed by Tyler Wilcock.

WebKit should fire a notification when aria-activedescendant changes on
a combobox, even when the combobox doesn't use aria-owns or aria-controls.

* LayoutTests/accessibility/aria-combobox-no-owns-expected.txt: Added.
* LayoutTests/accessibility/aria-combobox-no-owns.html: Added.
* LayoutTests/platform/glib/accessibility/aria-combobox-no-owns-expected.txt: Added.

Canonical link: https://commits.webkit.org/270182@main