From 3628c5aa188bc947a279761828ef3f1de61b8164 Mon Sep 17 00:00:00 2001
From: Gijs Kruitbosch <gijskruitbosch@gmail.com>
Date: Thu, 13 Jul 2023 14:19:25 +0000
Subject: [PATCH] Bug 1842547 - ensure treecol label, crop and other attributes
 actually inherit correctly,  a=diannaS

Original Revision: https://phabricator.services.mozilla.com/D183207

Differential Revision: https://phabricator.services.mozilla.com/D183307
---
 toolkit/content/widgets/tree.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/toolkit/content/widgets/tree.js b/toolkit/content/widgets/tree.js
index 36481713ceb53..322e42586ea4e 100644
--- a/toolkit/content/widgets/tree.js
+++ b/toolkit/content/widgets/tree.js
@@ -303,7 +303,7 @@
 
   class MozTreecol extends MozElements.BaseControl {
     static get observedAttributes() {
-      return ["primary"];
+      return ["primary", ...super.observedAttributes];
     }
 
     static get inheritedAttributes() {
@@ -411,7 +411,8 @@
       this._resizeObserver = null;
     }
 
-    attributeChangedCallback() {
+    attributeChangedCallback(name, oldValue, newValue) {
+      super.attributeChangedCallback(name, oldValue, newValue);
       this._invalidate();
     }