From c9d920e9c630fd8b99b863e034742fd3b38e12d3 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Sat, 22 Dec 2018 02:15:50 +0100
Subject: Revise lifetime management of IntersectionObservers.

Tag #249
---
 dom/base/Element.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'dom/base/Element.cpp')

diff --git a/dom/base/Element.cpp b/dom/base/Element.cpp
index 3760dc43f4..67759fdb26 100644
--- a/dom/base/Element.cpp
+++ b/dom/base/Element.cpp
@@ -3947,7 +3947,7 @@ Element::ClearDataset()
   slots->mDataset = nullptr;
 }
 
-nsDataHashtable<nsPtrHashKey<DOMIntersectionObserver>, int32_t>*
+nsDataHashtable<nsRefPtrHashKey<DOMIntersectionObserver>, int32_t>*
 Element::RegisteredIntersectionObservers()
 {
   nsDOMSlots* slots = DOMSlots();
@@ -3962,7 +3962,7 @@ enum nsPreviousIntersectionThreshold {
 void
 Element::RegisterIntersectionObserver(DOMIntersectionObserver* aObserver)
 {
-  nsDataHashtable<nsPtrHashKey<DOMIntersectionObserver>, int32_t>* observers =
+  nsDataHashtable<nsRefPtrHashKey<DOMIntersectionObserver>, int32_t>* observers =
     RegisteredIntersectionObservers();
   if (observers->Contains(aObserver)) {
     return;
@@ -3979,7 +3979,7 @@ Element::RegisterIntersectionObserver(DOMIntersectionObserver* aObserver)
 void
 Element::UnregisterIntersectionObserver(DOMIntersectionObserver* aObserver)
 {
-  nsDataHashtable<nsPtrHashKey<DOMIntersectionObserver>, int32_t>* observers =
+  nsDataHashtable<nsRefPtrHashKey<DOMIntersectionObserver>, int32_t>* observers =
     RegisteredIntersectionObservers();
   observers->Remove(aObserver);
 }
@@ -3987,7 +3987,7 @@ Element::UnregisterIntersectionObserver(DOMIntersectionObserver* aObserver)
 bool
 Element::UpdateIntersectionObservation(DOMIntersectionObserver* aObserver, int32_t aThreshold)
 {
-  nsDataHashtable<nsPtrHashKey<DOMIntersectionObserver>, int32_t>* observers =
+  nsDataHashtable<nsRefPtrHashKey<DOMIntersectionObserver>, int32_t>* observers =
     RegisteredIntersectionObservers();
   if (!observers->Contains(aObserver)) {
     return false;
-- 
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