From 010f37f47b9c15935a6113cd82e43f0673122016 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Fri, 17 Apr 2020 07:29:57 -0400
Subject: Bug 1422197 - Add fast path to get DocGroup in binding code for
 [CEReactions]

Tag #1375
---
 layout/style/nsCSSRules.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'layout/style/nsCSSRules.cpp')

diff --git a/layout/style/nsCSSRules.cpp b/layout/style/nsCSSRules.cpp
index 4b90b6f0c..dc79e471d 100644
--- a/layout/style/nsCSSRules.cpp
+++ b/layout/style/nsCSSRules.cpp
@@ -1515,6 +1515,13 @@ nsCSSFontFaceStyleDecl::GetParentObject()
   return ContainingRule()->GetDocument();
 }
 
+DocGroup*
+nsCSSFontFaceStyleDecl::GetDocGroup() const
+{
+  nsIDocument* document = ContainingRule()->GetDocument();
+  return document ? document->GetDocGroup() : nullptr;
+}
+
 JSObject*
 nsCSSFontFaceStyleDecl::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
 {
@@ -1991,6 +1998,17 @@ nsCSSKeyframeStyleDeclaration::GetParentObject()
   return mRule ? mRule->GetDocument() : nullptr;
 }
 
+DocGroup*
+nsCSSKeyframeStyleDeclaration::GetDocGroup() const
+{
+  if (!mRule) {
+    return nullptr;
+  }
+
+  nsIDocument* document = mRule->GetDocument();
+  return document ? document->GetDocGroup() : nullptr;
+}
+
 // -------------------------------------------
 // nsCSSKeyframeRule
 //
@@ -2538,6 +2556,17 @@ nsCSSPageStyleDeclaration::GetParentObject()
   return mRule ? mRule->GetDocument() : nullptr;
 }
 
+DocGroup*
+nsCSSPageStyleDeclaration::GetDocGroup() const
+{
+  if (!mRule) {
+    return nullptr;
+  }
+
+  nsIDocument* document = mRule->GetDocument();
+  return document ? document->GetDocGroup() : nullptr;
+}
+
 // -------------------------------------------
 // nsCSSPageRule
 //
-- 
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