Bug 1785412: Let ARIA reflection (non-idref) and default Accessibility Semantics for Custom Elements ride the trains. r=eeejay

Differential Revision: https://phabricator.services.mozilla.com/D187439

accessible/tests/mochitest/test_custom_element_accessibility_defaults.html

@@ -217,7 +217,6 @@ async function runTest() {
 }
 
 SimpleTest.waitForExplicitFinish();
-Services.prefs.setBoolPref("accessibility.ARIAReflection.enabled", true);
 addA11yLoadEvent(runTest);
   </script>
 </head>

modules/libpref/init/StaticPrefList.yaml

@@ -214,7 +214,7 @@
 
 - name: accessibility.ARIAReflection.enabled
   type: bool
-  value: @IS_NIGHTLY_BUILD@
+  value: true
   mirror: always
 
 # Whether form controls and images should be focusable with mouse, in content

testing/web-platform/meta/custom-elements/ElementInternals-accessibility.html.ini

@@ -1,6 +1,4 @@
 [ElementInternals-accessibility.html]
-  prefs: [accessibility.ARIAReflection.enabled:true]
-
   [ariaActiveDescendantElement is defined in ElementInternals]
     expected: FAIL
 

testing/web-platform/meta/custom-elements/reactions/AriaMixin-string-attributes.html.ini

@@ -1,2 +0,0 @@
-[AriaMixin-string-attributes.html]
-  prefs: [accessibility.ARIAReflection.enabled:true]

testing/web-platform/meta/html/dom/aria-attribute-reflection.html.ini

@@ -1,2 +0,0 @@
-[aria-attribute-reflection.html]
-  prefs: [accessibility.ARIAReflection.enabled:true]

testing/web-platform/meta/wai-aria/idlharness.window.js.ini

@@ -1,6 +1,4 @@
 [idlharness.window.html]
-  prefs: [accessibility.ARIAReflection.enabled:true]
-
   [Element interface: attribute ariaActiveDescendantElement]
     expected: FAIL