From 984169280b6aa8d27bd06dafc7b7224159f1c6c6 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Thu, 7 Dec 2017 01:37:50 +0100
Subject: Remove referrers when opening a link in a new private window.

---
 browser/base/content/utilityOverlay.js | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'browser/base/content')

diff --git a/browser/base/content/utilityOverlay.js b/browser/base/content/utilityOverlay.js
index 7da54e064d..833369f4d0 100644
--- a/browser/base/content/utilityOverlay.js
+++ b/browser/base/content/utilityOverlay.js
@@ -258,6 +258,12 @@ function openLinkIn(url, where, params) {
   }
 
   if (!w || where == "window") {
+    // Strip referrer data when opening a new private window, to prevent
+    // regular browsing data from leaking into it.
+    if (aIsPrivate) {
+      aNoReferrer = true;
+    }    
+    
     // This propagates to window.arguments.
     var sa = Cc["@mozilla.org/array;1"].
              createInstance(Ci.nsIMutableArray);
-- 
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