1 files changed, 5 insertions, 1 deletions
diff --git a/xpfe/appshell/nsIXULBrowserWindow.idl b/xpfe/appshell/nsIXULBrowserWindow.idl
index 40f1898c8..5dbc2d409 100644
--- a/xpfe/appshell/nsIXULBrowserWindow.idl
+++ b/xpfe/appshell/nsIXULBrowserWindow.idl
@@ -13,6 +13,7 @@ interface nsIDOMElement;
 interface nsIInputStream;
 interface nsIDocShell;
 interface nsITabParent;
+interface nsIPrincipal;
 interface mozIDOMWindowProxy;
 
 /**
@@ -60,10 +61,13 @@ interface nsIXULBrowserWindow : nsISupports
    *        The URI being loaded.
    * @param aReferrer
    *        The referrer of the load.
+   * @param aTriggeringPrincipal
+   *        The principal that initiated the load of aURI.
    */
   bool shouldLoadURI(in nsIDocShell    aDocShell,
                      in nsIURI         aURI,
-                     in nsIURI         aReferrer);
+                     in nsIURI         aReferrer,
+                     in nsIPrincipal   aTriggeringPrincipal);
   /**
    * Show/hide a tooltip (when the user mouses over a link, say).
    */