From b3f813ca74813844faaef7e57cb7c6eebd37ff17 Mon Sep 17 00:00:00 2001
From: Andrea Marchesini <amarchesini@mozilla.com>
Date: Wed, 3 Jan 2018 16:29:59 +0100
Subject: [PATCH] Bug 1425440 - Get rid of GetChildAt_Deprecated in
 txMozillaXMLOutput, r=catalinb

---
 dom/xslt/xslt/txMozillaXMLOutput.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/dom/xslt/xslt/txMozillaXMLOutput.cpp b/dom/xslt/xslt/txMozillaXMLOutput.cpp
index b34e335fd174..12c664ecbf9f 100644
--- a/dom/xslt/xslt/txMozillaXMLOutput.cpp
+++ b/dom/xslt/xslt/txMozillaXMLOutput.cpp
@@ -625,15 +625,14 @@ txMozillaXMLOutput::createTxWrapper()
       mDocument->CreateElem(nsDependentAtomString(nsGkAtoms::result),
                             nsGkAtoms::transformiix, namespaceID);
 
-    uint32_t i, j, childCount = mDocument->GetChildCount();
+    uint32_t j = 0;
 #ifdef DEBUG
     // Keep track of the location of the current documentElement, if there is
     // one, so we can verify later
     uint32_t rootLocation = 0;
 #endif
-    for (i = 0, j = 0; i < childCount; ++i) {
-        nsCOMPtr<nsIContent> childContent = mDocument->GetChildAt_Deprecated(j);
-
+    for (nsCOMPtr<nsIContent> childContent = mDocument->GetFirstChild();
+         childContent; childContent = childContent->GetNextSibling()) {
 #ifdef DEBUG
         if (childContent->IsElement()) {
             rootLocation = j;