diff -r 000000000000 -r 6474c204b198 content/base/src/nsDataDocumentContentPolicy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/base/src/nsDataDocumentContentPolicy.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+/* -*- 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/. */
+
+/*
+ * Content policy implementation that prevents all loads of images,
+ * subframes, etc from documents loaded as data (eg documents loaded
+ * via XMLHttpRequest).
+ */
+
+#ifndef nsDataDocumentContentPolicy_h__
+#define nsDataDocumentContentPolicy_h__
+
+/* 1147d32c-215b-4014-b180-07fe7aedf915 */
+#define NS_DATADOCUMENTCONTENTPOLICY_CID \
+ {0x1147d32c, 0x215b, 0x4014, {0xb1, 0x80, 0x07, 0xfe, 0x7a, 0xed, 0xf9, 0x15}}
+#define NS_DATADOCUMENTCONTENTPOLICY_CONTRACTID \
+ "@mozilla.org/data-document-content-policy;1"
+
+
+#include "nsIContentPolicy.h"
+#include "mozilla/Attributes.h"
+
+class nsDataDocumentContentPolicy MOZ_FINAL : public nsIContentPolicy
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSICONTENTPOLICY
+
+  nsDataDocumentContentPolicy()
+  {}
+  ~nsDataDocumentContentPolicy()
+  {}
+};
+
+
+#endif /* nsDataDocumentContentPolicy_h__ */