Bug 1941406: Enable support for the ::details-content pseudo-element. r=emilio

dholbert · dholbert · commit 57eaaec9e408 · 2025-08-01T21:16:04.000Z
Differential Revision: https://phabricator.services.mozilla.com/D257081
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
@@ -10687,7 +10687,7 @@
 # Is support for the ::details-content pseudo-element enabled?
 - name: layout.css.details-content.enabled
   type: RelaxedAtomicBool
-  value: false
+  value: true
   mirror: always
   rust: true
 
diff --git a/testing/web-platform/meta/css/css-conditional/__dir__.ini b/testing/web-platform/meta/css/css-conditional/__dir__.ini
@@ -1,2 +1,2 @@
-prefs: [layout.css.details-content.enabled:true, layout.css.scroll-state.enabled:true]
+prefs: [layout.css.scroll-state.enabled:true]
 leak-threshold: [default:51200]
diff --git a/testing/web-platform/meta/css/css-conditional/js/__dir__.ini b/testing/web-platform/meta/css/css-conditional/js/__dir__.ini
@@ -1,2 +1 @@
-prefs: [layout.css.details-content.enabled:true]
 leak-threshold: [default:51200]
diff --git a/testing/web-platform/meta/css/css-scoping/__dir__.ini b/testing/web-platform/meta/css/css-scoping/__dir__.ini
diff --git a/testing/web-platform/meta/css/css-shadow-parts/__dir__.ini b/testing/web-platform/meta/css/css-shadow-parts/__dir__.ini
@@ -1 +1 @@
-prefs: [layout.css.details-content.enabled:true, dom.viewTransitions.enabled:true]
+prefs: [dom.viewTransitions.enabled:true]
diff --git a/testing/web-platform/meta/html/rendering/the-details-element/__dir__.ini b/testing/web-platform/meta/html/rendering/the-details-element/__dir__.ini
@@ -1,2 +1 @@
-prefs: [layout.css.details-content.enabled:true]
 leak-threshold: [default:51200]

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`		`-prefs: [layout.css.details-content.enabled:true, layout.css.scroll-state.enabled:true]`
	`1`	`+prefs: [layout.css.scroll-state.enabled:true]`
`2`	`2`	`leak-threshold: [default:51200]`
Original file line number	Diff line number	Diff line change
`@@ -1,2 +1 @@`
`1`		`-prefs: [layout.css.details-content.enabled:true]`
`2`	`1`	`leak-threshold: [default:51200]`
Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-prefs: [layout.css.details-content.enabled:true, dom.viewTransitions.enabled:true]`
	`1`	`+prefs: [dom.viewTransitions.enabled:true]`