Make 'ignoreCase' works in 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 101 matching lines @@
 // values.
 /**
  * Collator class implements locale-aware sort.
  * @param {Object} locale - locale object to pass to collator implementation.
  * @param {Object} settings - collation flags:
  *   - ignoreCase
  *   - ignoreAccents
  *   - numeric
  * @constructor
  */
-v8Locale.Collator = function(locale, settings) {
+v8Locale.__Collator = function(locale, settings) {
   native function NativeJSCollator();
 
   locale = v8Locale.__createLocaleOrDefault(locale);
   var collator = NativeJSCollator(
       locale.__icuLocaleID, v8Locale.__createSettingsOrDefault(settings, {}));
   return collator;

[Nebojša Ćirić, 2011/05/20 16:46:57]

Do you want to add derive method here, and return actual .options?
Collation is one of the classes that could actually benefit from having derive
method.
Separate CL is ok.

 };
 
 /**
  * Creates new Collator based on current locale.
  * @param {Object} - collation flags. See constructor.
  * @returns {Object} - new Collator object.
  */
 v8Locale.prototype.createCollator = function(settings) {
-  return new v8Locale.Collator(this, settings);
+  return new v8Locale.__Collator(this, settings);
 };
 
 /**
  * DateTimeFormat class implements locale-aware date and time formatting.
  * Constructor is not part of public API.
  * @param {Object} locale - locale object to pass to formatter.
  * @param {Object} settings - formatting flags:
  *   - skeleton
  *   - dateType
  *   - timeType
@@ skipping 110 matching lines @@
  * @param {!Object} locale - user provided locale.
  * @returns {Object} - v8Locale object.
  */
 v8Locale.__createLocaleOrDefault = function(locale) {
   if (!locale || !(locale instanceof v8Locale)) {
     return new v8Locale();
   } else {
     return locale;
   }
 };