The Tor Browser: browser/app/splash.rc@129ffea94266

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include <windows.h>

     7 #include "nsNativeAppSupportWin.h"

     9 1 24 "firefox.exe.manifest"

    11 IDI_APPICON ICON FIREFOX_ICO

    12 IDI_DOCUMENT ICON DOCUMENT_ICO

    13 IDI_APPLICATION ICON FIREFOX_ICO

    14 IDI_NEWWINDOW ICON NEWWINDOW_ICO

    15 IDI_NEWTAB ICON NEWTAB_ICO

    16 IDI_PBMODE ICON PBMODE_ICO

    18 STRINGTABLE DISCARDABLE

    19 BEGIN

    20     IDS_STARTMENU_APPNAME,              "@MOZ_APP_DISPLAYNAME@"

    21 END

The Tor Browser / file revision

browser/app/splash.rc@129ffea94266

browser/app/splash.rc