diff -r 000000000000 -r 6474c204b198 netwerk/base/src/nsDirectoryIndexStream.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/base/src/nsDirectoryIndexStream.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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/. */
+
+#ifndef nsDirectoryIndexStream_h__
+#define nsDirectoryIndexStream_h__
+
+#include "mozilla/Attributes.h"
+
+#include "nsString.h"
+#include "nsIInputStream.h"
+#include "nsCOMArray.h"
+
+class nsIFile;
+
+class nsDirectoryIndexStream MOZ_FINAL : public nsIInputStream
+{
+private:
+    nsCString mBuf;
+    int32_t mOffset;
+    nsresult mStatus;
+
+    int32_t             mPos;   // position within mArray
+    nsCOMArray<nsIFile> mArray; // file objects within the directory
+
+    nsDirectoryIndexStream();
+    /**
+     * aDir will only be used on the calling thread.
+     */ 
+    nsresult Init(nsIFile* aDir);
+    ~nsDirectoryIndexStream();
+
+public:
+    /**
+     * aDir will only be used on the calling thread.
+     */ 
+    static nsresult
+    Create(nsIFile* aDir, nsIInputStream** aStreamResult);
+
+    // nsISupportsInterface
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    // nsIInputStream interface
+    NS_DECL_NSIINPUTSTREAM
+};
+
+#endif // nsDirectoryIndexStream_h__
+