diff -r 000000000000 -r 6474c204b198 content/base/src/nsSandboxFlags.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/src/nsSandboxFlags.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Constant flags that describe how a document is sandboxed according to the
+ * HTML5 spec.
+ */
+
+#ifndef nsSandboxFlags_h___
+#define nsSandboxFlags_h___
+
+/**
+ * This flag prevents content from navigating browsing contexts other than
+ * itself, browsing contexts nested inside it, the top-level browsing context
+ * and browsing contexts that it has opened.
+ * As it is always on for sandboxed browsing contexts, it is used implicitly
+ * within the code by checking that the overall flags are non-zero.
+ * It is only uesd directly when the sandbox flags are initially set up.
+ */
+const unsigned long SANDBOXED_NAVIGATION  = 0x1;
+
+/**
+ * This flag prevents content from navigating their top-level browsing
+ * context.
+ */
+const unsigned long SANDBOXED_TOPLEVEL_NAVIGATION = 0x2;
+
+/**
+ * This flag prevents content from instantiating plugins, whether using the
+ * embed element, the object element, the applet element, or through
+ * navigation of a nested browsing context, unless those plugins can be
+ * secured.
+ */
+const unsigned long SANDBOXED_PLUGINS = 0x4;
+
+/**
+ * This flag forces content into a unique origin, thus preventing it from
+ * accessing other content from the same origin.
+ * This flag also prevents script from reading from or writing to the
+ * document.cookie IDL attribute, and blocks access to localStorage.
+ */
+const unsigned long SANDBOXED_ORIGIN = 0x8;
+
+/**
+ * This flag blocks form submission.
+ */
+const unsigned long SANDBOXED_FORMS = 0x10;
+
+/**
+ * This flag blocks script execution.
+ */
+const unsigned long SANDBOXED_SCRIPTS = 0x20;
+
+/**
+ * This flag blocks features that trigger automatically, such as
+ * automatically playing a video or automatically focusing a form control.
+ */
+const unsigned long SANDBOXED_AUTOMATIC_FEATURES = 0x40;
+
+/**
+ * This flag blocks the document from acquiring pointerlock.
+ */
+const unsigned long SANDBOXED_POINTER_LOCK = 0x80;
+
+/**
+ * This flag blocks the document from changing document.domain.
+ */
+const unsigned long SANDBOXED_DOMAIN = 0x100;
+
+/**
+ * This flag prevents content from creating new auxiliary browsing contexts,
+ * e.g. using the target attribute, the window.open() method, or the
+ * showModalDialog() method.
+ */
+const unsigned long SANDBOXED_AUXILIARY_NAVIGATION = 0x200;
+#endif