From 288739694842145f2e89db439190a6525a1fd38f Mon Sep 17 00:00:00 2001
From: Arthur Edelstein <arthuredelstein@gmail.com>
Date: Fri, 22 Apr 2016 14:39:14 -0700
Subject: [PATCH] Bug 16998: Disable link rel=preconnect

---
 dom/base/nsDocument.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index c0c2040dbb311..592fe4cf6abcf 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -9721,6 +9721,10 @@ nsDocument::MaybePreLoadImage(nsIURI* uri, const nsAString &aCrossOriginAttr,
 void
 nsDocument::MaybePreconnect(nsIURI* aOrigURI, mozilla::CORSMode aCORSMode)
 {
+  // Tor Browser: Here we disable <link rel="preconnect">
+  // See #16998.
+  // TODO: Isolate preconnect by first party.
+/*
   nsCOMPtr<nsIURI> uri;
   if (NS_FAILED(aOrigURI->Clone(getter_AddRefs(uri)))) {
       return;
@@ -9755,6 +9759,7 @@ nsDocument::MaybePreconnect(nsIURI* aOrigURI, mozilla::CORSMode aCORSMode)
   } else {
     speculator->SpeculativeConnect(uri, nullptr);
   }
+*/
 }
 
 void
-- 
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