From 3a74795a56e92313c1b33a54500917794ba09b72 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Fri, 17 Apr 2020 07:05:27 -0400
Subject: Bug 1411878 - Support Element.shadowRoot and Element.assignedSlot /
 TextNode.assignedSlot on closed shadow root

Tag #1375
---
 dom/base/ShadowRoot.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'dom/base/ShadowRoot.h')

diff --git a/dom/base/ShadowRoot.h b/dom/base/ShadowRoot.h
index f061735e2..4a5b54e85 100644
--- a/dom/base/ShadowRoot.h
+++ b/dom/base/ShadowRoot.h
@@ -51,6 +51,11 @@ public:
   {
     return mMode;
   }
+  bool IsClosed()
+  {
+    return mMode == ShadowRootMode::Closed;
+  }
+
 
   // [deprecated] Shadow DOM v0
   void AddToIdTable(Element* aElement, nsIAtom* aId);
-- 
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