diff -r 000000000000 -r 6474c204b198 netwerk/protocol/viewsource/nsViewSourceHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/protocol/viewsource/nsViewSourceHandler.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+/* -*- 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/. */
+
+#ifndef nsViewSourceHandler_h___
+#define nsViewSourceHandler_h___
+
+#include "nsIProtocolHandler.h"
+#include "mozilla/Attributes.h"
+
+class nsViewSourceHandler MOZ_FINAL : public nsIProtocolHandler
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIPROTOCOLHANDLER
+
+    nsViewSourceHandler();
+
+    ~nsViewSourceHandler();
+
+    // Creates a new nsViewSourceChannel to view the source of an about:srcdoc
+    // URI with contents specified by srcdoc.
+    nsresult NewSrcdocChannel(nsIURI* uri, const nsAString &srcdoc,
+                              nsIURI* baseURI, nsIChannel** result);
+
+    static nsViewSourceHandler* GetInstance();
+
+private:
+    static nsViewSourceHandler* gInstance;
+
+};
+
+#endif /* !defined( nsViewSourceHandler_h___ ) */