Add v8Locale.Collator

src/extensions/experimental/i18n.js

 // Copyright 2006-2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 83 matching lines @@
   'none': 0,
   'number': 100,
   'word': 200,
   'kana': 300,
   'ideo': 400
 };
 
 v8Locale.prototype.v8CreateBreakIterator = function(type) {
   return new v8Locale.v8BreakIterator(this.locale, type);
 };
+
+// TODO(jungshik): Set |collator.options| to actually recognized / resolved
+// values.
+v8Locale.Collator = function(locale, options) {
+  native function NativeJSCollator();
+  var collator = NativeJSCollator(locale,
+      options === undefined ? {} : options);
+  return collator;
+};
+
+v8Locale.prototype.createCollator = function(options) {
+  return new v8Locale.Collator(this.locale, options);
+};