tor-browser

commit d4456d810664a2a13a871a68e5323522a78c1131
parent ee56bb811043767d6740716b6b361077a56a74ef
Author: Emilio Cobos Álvarez <emilio@crisal.io>
Date:   Sun,  7 Dec 2025 17:22:59 +0000

Bug 2002232 - Use xul-window-visible for macOS first paint measurements. r=florian

My previous patch tweaked the widget-first-paint notification to the
event loop because it's not safe to run script from there generally.

Seems worth being consistent with Windows.

Differential Revision: https://phabricator.services.mozilla.com/D274251

Diffstat:
M
browser/components/StartupRecorder.sys.mjs
 | 
6
+-----

1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/browser/components/StartupRecorder.sys.mjs b/browser/components/StartupRecorder.sys.mjs
@@ -24,15 +24,11 @@ XPCOMUtils.defineLazyPreferenceGetter(
   false
 );
 
-let firstPaintNotification = "widget-first-paint";
+let firstPaintNotification = "xul-window-visible";
 // On Linux widget-first-paint fires much later than expected and
 // xul-window-visible fires too early for currently unknown reasons.
 if (AppConstants.platform == "linux") {
   firstPaintNotification = "document-shown";
-} else if (
-  Services.prefs.getBoolPref("browser.startup.preXulSkeletonUI", false)
-) {
-  firstPaintNotification = "xul-window-visible";
 }
 
 let win, canvas;