1 files changed, 7 insertions, 1 deletions
diff --git a/browser/base/content/utilityOverlay.js b/browser/base/content/utilityOverlay.js
index 7da54e064..0b703b6f8 100644
--- a/browser/base/content/utilityOverlay.js
+++ b/browser/base/content/utilityOverlay.js
@@ -35,7 +35,7 @@ var gBidiUI = false;
  * Determines whether the given url is considered a special URL for new tabs.
  */
 function isBlankPageURL(aURL) {
-  return aURL == "about:blank" || aURL == BROWSER_NEW_TAB_URL;
+  return aURL == "about:blank" || aURL == "about:newtab" || aURL == "about:logopage";
 }
 
 function getBrowserURL()
@@ -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);