From 9a862da88ff102ffb42f3835fb9c9276e77bb5b6 Mon Sep 17 00:00:00 2001
From: Oriol Brufau <oriol-bugzilla@hotmail.com>
Date: Sat, 17 Dec 2022 02:04:02 +0000
Subject: [PATCH] style: Properly handle ::backdrop

Depends on D164807

Differential Revision: https://phabricator.services.mozilla.com/D164908
---
 components/style/stylist.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/components/style/stylist.rs b/components/style/stylist.rs
index 7a17c5a0c59..e6456058528 100644
--- a/components/style/stylist.rs
+++ b/components/style/stylist.rs
@@ -966,6 +966,7 @@ impl Stylist {
         element: E,
         pseudo: &PseudoElement,
         rule_inclusion: RuleInclusion,
+        originating_element_style: &Arc<ComputedValues>,
         parent_style: &Arc<ComputedValues>,
         is_probe: bool,
         matching_fn: Option<&dyn Fn(&PseudoElement) -> bool>,
@@ -976,6 +977,7 @@ impl Stylist {
         let cascade_inputs = self.lazy_pseudo_rules(
             guards,
             element,
+            originating_element_style,
             parent_style,
             pseudo,
             is_probe,
@@ -1105,6 +1107,7 @@ impl Stylist {
         &self,
         guards: &StylesheetGuards,
         element: E,
+        originating_element_style: &Arc<ComputedValues>,
         parent_style: &Arc<ComputedValues>,
         pseudo: &PseudoElement,
         is_probe: bool,
@@ -1134,7 +1137,8 @@ impl Stylist {
         );
 
         matching_context.pseudo_element_matching_fn = matching_fn;
-        matching_context.extra_data.originating_element_style = Some(parent_style.clone());
+        matching_context.extra_data.originating_element_style =
+            Some(originating_element_style.clone());
 
         self.push_applicable_declarations(
             element,
@@ -1165,7 +1169,8 @@ impl Stylist {
                 needs_selector_flags,
             );
             matching_context.pseudo_element_matching_fn = matching_fn;
-            matching_context.extra_data.originating_element_style = Some(parent_style.clone());
+            matching_context.extra_data.originating_element_style =
+                Some(originating_element_style.clone());
 
             self.push_applicable_declarations(
                 element,