diff -r 000000000000 -r 6474c204b198 dom/xslt/nsIDocumentTransformer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/xslt/nsIDocumentTransformer.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,63 @@
+/* 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 nsIDocumentTransformer_h__
+#define nsIDocumentTransformer_h__
+
+#include "nsISupports.h"
+
+class nsIDOMNode;
+class nsILoadGroup;
+class nsIURI;
+class nsIPrincipal;
+class nsString;
+
+#define NS_ITRANSFORMOBSERVER_IID \
+{ 0x04b2d17c, 0xe98d, 0x45f5, \
+  { 0x9a, 0x67, 0xb7, 0x01, 0x19, 0x59, 0x7d, 0xe7 } }
+
+class nsITransformObserver : public nsISupports
+{
+public: 
+
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ITRANSFORMOBSERVER_IID)
+
+  NS_IMETHOD OnDocumentCreated(nsIDocument *aResultDocument) = 0;
+
+  NS_IMETHOD OnTransformDone(nsresult aResult,
+                             nsIDocument *aResultDocument) = 0;
+
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsITransformObserver, NS_ITRANSFORMOBSERVER_IID)
+
+#define NS_IDOCUMENTTRANSFORMER_IID \
+  {0x17c83d91, 0xac2f, 0x4658, \
+    { 0x91, 0x6c, 0xcb, 0xc4, 0xd2, 0xb5, 0x2c, 0xe }}
+
+class nsIDocumentTransformer : public nsISupports
+{
+public: 
+
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENTTRANSFORMER_IID)
+
+  NS_IMETHOD Init(nsIPrincipal* aPrincipal) = 0;
+  NS_IMETHOD SetTransformObserver(nsITransformObserver* aObserver) = 0;
+  NS_IMETHOD LoadStyleSheet(nsIURI* aUri, nsILoadGroup* aLoadGroup) = 0;
+  NS_IMETHOD SetSourceContentModel(nsIDOMNode* aSource) = 0;
+  NS_IMETHOD CancelLoads() = 0;
+
+  NS_IMETHOD AddXSLTParamNamespace(const nsString& aPrefix,
+                                   const nsString& aNamespace) = 0;
+  NS_IMETHOD AddXSLTParam(const nsString& aName,
+                          const nsString& aNamespace,
+                          const nsString& aValue,
+                          const nsString& aSelect,
+                          nsIDOMNode* aContextNode) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentTransformer,
+                              NS_IDOCUMENTTRANSFORMER_IID)
+
+#endif //nsIDocumentTransformer_h__