Bug 1377999 - Make MathML nodes to adapt the DOMArena changes r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D57702 --HG-- extra : moz-landing-system : lando
dothq · Mar 17, 2020 · 6d144fc · 6d144fc
1 parent 20800c5
commit 6d144fc
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/dom/mathml/MathMLElementFactory.cpp b/dom/mathml/MathMLElementFactory.cpp
@@ -13,6 +13,8 @@ using namespace mozilla::dom;
 // MathML Element Factory (declared in nsContentCreatorFunctions.h)
 nsresult NS_NewMathMLElement(
     Element** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo) {
-  NS_ADDREF(*aResult = new MathMLElement(aNodeInfo));
+  RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
+  auto* nim = nodeInfo->NodeInfoManager();
+  NS_ADDREF(*aResult = new (nim) MathMLElement(nodeInfo.forget()));
   return NS_OK;
 }