Move i18n collator code to runtime.

src/extensions/i18n/collator.js

Index: src/extensions/i18n/collator.js
diff --git a/src/extensions/i18n/collator.js b/src/extensions/i18n/collator.js
index 3483515bef2e688e1a08b31e8e33a239e3f55f2b..d8d247b36f4be3ebde7f8f4899fe8143aa172ff4 100644
--- a/src/extensions/i18n/collator.js
+++ b/src/extensions/i18n/collator.js
@@ -35,8 +35,6 @@
  * Useful for subclassing.
  */
 function initializeCollator(collator, locales, options) {
-  native function NativeJSCreateCollator();
-
   if (collator.hasOwnProperty('__initializedIntlObject')) {
     throw new TypeError('Trying to re-initialize Collator object.');
   }
@@ -103,9 +101,9 @@ function initializeCollator(collator, locales, options) {
     usage: {value: internalOptions.usage, writable: true}
   });
 
-  var internalCollator = NativeJSCreateCollator(requestedLocale,
-                                                internalOptions,
-                                                resolved);
+  var internalCollator = %CreateCollator(requestedLocale,
+                                         internalOptions,
+                                         resolved);
 
   // Writable, configurable and enumerable are set to false by default.
   Object.defineProperty(collator, 'collator', {value: internalCollator});
@@ -204,8 +202,7 @@ function initializeCollator(collator, locales, options) {
  * the sort order, or x comes after y in the sort order, respectively.
  */
 function compare(collator, x, y) {
-  native function NativeJSInternalCompare();
-  return NativeJSInternalCompare(collator.collator, String(x), String(y));
+  return %InternalCompare(collator.collator, String(x), String(y));
 };