diff -r 000000000000 -r 6474c204b198 dom/src/jsurl/nsJSProtocolHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/src/jsurl/nsJSProtocolHandler.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,101 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsJSProtocolHandler_h___
+#define nsJSProtocolHandler_h___
+
+#include "mozilla/Attributes.h"
+#include "nsIProtocolHandler.h"
+#include "nsITextToSubURI.h"
+#include "nsIURI.h"
+#include "nsIMutable.h"
+#include "nsISerializable.h"
+#include "nsIClassInfo.h"
+#include "nsSimpleURI.h"
+
+#define NS_JSPROTOCOLHANDLER_CID                     \
+{ /* bfc310d2-38a0-11d3-8cd3-0060b0fc14a3 */         \
+    0xbfc310d2,                                      \
+    0x38a0,                                          \
+    0x11d3,                                          \
+    {0x8c, 0xd3, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
+}
+
+#define NS_JSURI_CID                                 \
+{ /* 58f089ee-512a-42d2-a935-d0c874128930 */         \
+    0x58f089ee,                                      \
+    0x512a,                                          \
+    0x42d2,                                          \
+    {0xa9, 0x35, 0xd0, 0xc8, 0x74, 0x12, 0x89, 0x30} \
+}
+
+#define NS_JSPROTOCOLHANDLER_CONTRACTID \
+    NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "javascript"
+
+
+class nsJSProtocolHandler : public nsIProtocolHandler
+{
+public:
+    NS_DECL_ISUPPORTS
+
+    // nsIProtocolHandler methods:
+    NS_DECL_NSIPROTOCOLHANDLER
+
+    // nsJSProtocolHandler methods:
+    nsJSProtocolHandler();
+    virtual ~nsJSProtocolHandler();
+
+    static nsresult
+    Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
+
+    nsresult Init();
+
+protected:
+
+    nsresult EnsureUTF8Spec(const nsAFlatCString &aSpec, const char *aCharset, 
+                            nsACString &aUTF8Spec);
+
+    nsCOMPtr<nsITextToSubURI>  mTextToSubURI;
+};
+
+
+class nsJSURI : public nsSimpleURI
+{
+public:
+    using nsSimpleURI::Read;
+    using nsSimpleURI::Write;
+
+    nsJSURI() {}
+
+    nsJSURI(nsIURI* aBaseURI) : mBaseURI(aBaseURI) {}
+
+    nsIURI* GetBaseURI() const
+    {
+        return mBaseURI;
+    }
+
+    NS_DECL_ISUPPORTS_INHERITED
+
+    // nsIURI overrides
+    virtual nsSimpleURI* StartClone(RefHandlingEnum refHandlingMode) MOZ_OVERRIDE;
+
+    // nsISerializable overrides
+    NS_IMETHOD Read(nsIObjectInputStream* aStream) MOZ_OVERRIDE;
+    NS_IMETHOD Write(nsIObjectOutputStream* aStream) MOZ_OVERRIDE;
+
+    // Override the nsIClassInfo method GetClassIDNoAlloc to make sure our
+    // nsISerializable impl works right.
+    NS_IMETHOD GetClassIDNoAlloc(nsCID *aClassIDNoAlloc) MOZ_OVERRIDE;
+    //NS_IMETHOD QueryInterface( const nsIID& aIID, void** aInstancePtr );
+
+protected:
+    virtual nsresult EqualsInternal(nsIURI* other,
+                                    RefHandlingEnum refHandlingMode,
+                                    bool* result) MOZ_OVERRIDE;
+private:
+    nsCOMPtr<nsIURI> mBaseURI;
+};
+
+#endif /* nsJSProtocolHandler_h___ */