diff -r 000000000000 -r 6474c204b198 ipc/glue/nsIIPCSerializableURI.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/glue/nsIIPCSerializableURI.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,57 @@
+/* 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 mozilla_ipc_nsIIPCSerializableURI_h
+#define mozilla_ipc_nsIIPCSerializableURI_h
+
+#include "nsISupports.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace ipc {
+class URIParams;
+}
+}
+
+#define NS_IIPCSERIALIZABLEURI_IID \
+  {0xfee3437d, 0x3daf, 0x411f, {0xb0, 0x1d, 0xdc, 0xd4, 0x88, 0x55, 0xe3, 0xd}}
+
+class NS_NO_VTABLE nsIIPCSerializableURI : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IIPCSERIALIZABLEURI_IID)
+
+  virtual void
+  Serialize(mozilla::ipc::URIParams& aParams) = 0;
+
+  virtual bool
+  Deserialize(const mozilla::ipc::URIParams& aParams) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIIPCSerializableURI,
+                              NS_IIPCSERIALIZABLEURI_IID)
+
+#define NS_DECL_NSIIPCSERIALIZABLEURI \
+  virtual void \
+  Serialize(mozilla::ipc::URIParams&) MOZ_OVERRIDE; \
+  virtual bool \
+  Deserialize(const mozilla::ipc::URIParams&) MOZ_OVERRIDE;
+
+#define NS_FORWARD_NSIIPCSERIALIZABLEURI(_to) \
+  virtual void \
+  Serialize(mozilla::ipc::URIParams& aParams) MOZ_OVERRIDE \
+  { _to Serialize(aParams); } \
+  virtual bool \
+  Deserialize(const mozilla::ipc::URIParams& aParams) MOZ_OVERRIDE \
+  { return _to Deserialize(aParams); }
+
+#define NS_FORWARD_SAFE_NSIIPCSERIALIZABLEURI(_to) \
+  virtual void \
+  Serialize(mozilla::ipc::URIParams& aParams) MOZ_OVERRIDE \
+  { if (_to) { _to->Serialize(aParams); } } \
+  virtual bool \
+  Deserialize(const mozilla::ipc::URIParams& aParams) MOZ_OVERRIDE \
+  { if (_to) { return _to->Deserialize(aParams); } return false; }
+
+#endif // mozilla_ipc_nsIIPCSerializableURI_h