Add support for DOM4's XMLDocument interface

Source/core/dom/XMLDocument.idl

Index: Source/core/dom/XMLDocument.idl
diff --git a/Source/core/speech/SpeechInputEvent.idl b/Source/core/dom/XMLDocument.idl
similarity index 85%
copy from Source/core/speech/SpeechInputEvent.idl
copy to Source/core/dom/XMLDocument.idl
index 4fe740b1bdbaffe6a3542de082bbe4b5194c95ee..a44845226846f0072ec034af6cb7c10a802895df 100644
--- a/Source/core/speech/SpeechInputEvent.idl
+++ b/Source/core/dom/XMLDocument.idl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 Google Inc. All rights reserved.
+ * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -24,8 +24,8 @@
  */
 
 [
-    Conditional=INPUT_SPEECH
-] interface SpeechInputEvent : Event {
-    readonly attribute SpeechInputResultList results;
+    SpecialWrapFor=SVGDocument
+] interface XMLDocument : Document {
+    // FIXME(crbug.com/988): Not implemented yet.
+    // boolean load(DOMString url);
 };
-