From 28ea5933471fcec4e615d5f70d9f403bfeac2dda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Sun, 25 Feb 2018 19:01:42 +0100
Subject: [PATCH] style: Make a style sharing check account for Shadow DOM
 explicitly too.

Good I added tests for this (style-sharing-across-shadow.html).

Bug: 1425759
Reviewed-by: xidorn
MozReview-Commit-ID: 7d4WioCDAn7
---
 components/style/gecko/wrapper.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
index 20e9f9f3860..aadf55dd6a7 100644
--- a/components/style/gecko/wrapper.rs
+++ b/components/style/gecko/wrapper.rs
@@ -991,7 +991,7 @@ impl<'le> TElement for GeckoElement<'le> {
             return self.as_node().owner_doc().as_node();
         }
 
-        if self.xbl_binding().is_some() {
+        if self.xbl_binding().is_some() || self.shadow_root().is_some() {
             return self.as_node();
         }