From a07362e15df1aa605846a714af08e482bd3df51a Mon Sep 17 00:00:00 2001
From: Boris Zbarsky <bzbarsky@mit.edu>
Date: Wed, 11 Oct 2017 22:19:06 -0400
Subject: [PATCH] Bug 1407375.  Make sure to call NodeInfoChanged whenever we
 change the nodeinfo on a node.  r=peterv

MozReview-Commit-ID: 71k1jv8thFA
---
 dom/base/nsNodeUtils.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dom/base/nsNodeUtils.cpp b/dom/base/nsNodeUtils.cpp
index 961258b599f2..868c40fde037 100644
--- a/dom/base/nsNodeUtils.cpp
+++ b/dom/base/nsNodeUtils.cpp
@@ -616,6 +616,9 @@ nsNodeUtils::CloneAndAdopt(nsINode *aNode, bool aClone, bool aDeep,
             aNode->OwnerDoc()->UnregisterActivityObserver(aNode->AsElement());
           }
           aNode->mNodeInfo.swap(newNodeInfo);
+          if (elem) {
+            elem->NodeInfoChanged(newDoc);
+          }
           if (wasRegistered) {
             aNode->OwnerDoc()->RegisterActivityObserver(aNode->AsElement());
           }