From e31ed5b07466d4a579fe4b025f97c971003fbc3f Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Fri, 17 Apr 2020 07:10:54 -0400
Subject: Bug 1409975 - Implement node distribution for shadow tree slots

* Implementation for assignedNodes
* Include slots in the flat tree
* Fix event get-the-parent algorithm for a node
* Update and add reftests for Shadow DOM v1
* Update web platform tests expectations

Tag #1375
---
 layout/style/res/ua.css | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'layout/style')

diff --git a/layout/style/res/ua.css b/layout/style/res/ua.css
index 931b32eb8..504f5dc57 100644
--- a/layout/style/res/ua.css
+++ b/layout/style/res/ua.css
@@ -471,3 +471,9 @@ div:-moz-native-anonymous.moz-custom-content-container {
   width: 100%;
   height: 100%;
 }
+
+/* Shadow DOM v1
+ * https://drafts.csswg.org/css-scoping/#slots-in-shadow-tree */
+slot {
+  display: contents;
+}
\ No newline at end of file
-- 
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