diff -r 000000000000 -r 6474c204b198 dom/xbl/nsXBLSerialize.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/xbl/nsXBLSerialize.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,87 @@
+/* -*- 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 nsXBLSerialize_h__
+#define nsXBLSerialize_h__
+
+#include "nsIObjectInputStream.h"
+#include "nsIObjectOutputStream.h"
+#include "nsNameSpaceManager.h"
+#include "js/TypeDecls.h"
+
+typedef uint8_t XBLBindingSerializeDetails;
+
+// A version number to ensure we don't load cached data in a different
+// file format.
+#define XBLBinding_Serialize_Version 0x00000003
+
+// Set for the first binding in a document
+#define XBLBinding_Serialize_IsFirstBinding 1
+
+// Set to indicate that nsXBLPrototypeBinding::mInheritStyle should be true
+#define XBLBinding_Serialize_InheritStyle 2
+
+// Set to indicate that nsXBLPrototypeBinding::mChromeOnlyContent should be true
+#define XBLBinding_Serialize_ChromeOnlyContent 4
+
+// Appears at the end of the serialized data to indicate that no more bindings
+// are present for this document.
+#define XBLBinding_Serialize_NoMoreBindings 0x80
+
+// Implementation member types. The serialized value for each member contains one
+// of these values, combined with the read-only flag XBLBinding_Serialize_ReadOnly.
+// Use XBLBinding_Serialize_Mask to filter out the read-only flag and check for
+// just the member type.
+#define XBLBinding_Serialize_NoMoreItems 0 // appears at the end of the members list
+#define XBLBinding_Serialize_Field 1
+#define XBLBinding_Serialize_GetterProperty 2
+#define XBLBinding_Serialize_SetterProperty 3
+#define XBLBinding_Serialize_GetterSetterProperty 4
+#define XBLBinding_Serialize_Method 5
+#define XBLBinding_Serialize_Constructor 6
+#define XBLBinding_Serialize_Destructor 7
+#define XBLBinding_Serialize_Handler 8
+#define XBLBinding_Serialize_Image 9
+#define XBLBinding_Serialize_Stylesheet 10
+#define XBLBinding_Serialize_Attribute 0xA
+#define XBLBinding_Serialize_Mask 0x0F
+#define XBLBinding_Serialize_ReadOnly 0x80
+
+// Appears at the end of the list of insertion points to indicate that there
+// are no more. 
+#define XBLBinding_Serialize_NoMoreInsertionPoints 0xFFFFFFFF
+
+// When serializing content nodes, a single-byte namespace id is written out
+// first. The special values below can appear in place of a namespace id.
+
+// Indicates that this is not one of the built-in namespaces defined in 
+// nsNameSpaceManager.h. The string form will be serialized immediately
+// following.
+#define XBLBinding_Serialize_CustomNamespace 0xFE
+
+// Flags to indicate a non-element node. Otherwise, it is an element. 
+#define XBLBinding_Serialize_TextNode 0xFB
+#define XBLBinding_Serialize_CDATANode 0xFC
+#define XBLBinding_Serialize_CommentNode 0xFD
+
+// Indicates that there is no content to serialize/deserialize
+#define XBLBinding_Serialize_NoContent 0xFF
+
+// Appears at the end of the forwarded attributes list to indicate that there
+// are no more attributes.
+#define XBLBinding_Serialize_NoMoreAttributes 0xFF
+
+static_assert(XBLBinding_Serialize_CustomNamespace >= kNameSpaceID_LastBuiltin,
+              "The custom namespace should not be in use as a real namespace");
+
+nsresult
+XBL_SerializeFunction(nsIObjectOutputStream* aStream,
+                      JS::Handle<JSObject*> aFunctionObject);
+
+nsresult
+XBL_DeserializeFunction(nsIObjectInputStream* aStream,
+                        JS::MutableHandle<JSObject*> aFunctionObject);
+
+#endif // nsXBLSerialize_h__