Move i18n extension's date-format C++ code to runtime

src/extensions/i18n/date-format.js

 // Copyright 2013 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 217 matching lines @@
 
   return options;
 }
 
 
 /**
  * Initializes the given object so it's a valid DateTimeFormat instance.
  * Useful for subclassing.
  */
 function initializeDateTimeFormat(dateFormat, locales, options) {
-  native function NativeJSCreateDateTimeFormat();
 
   if (dateFormat.hasOwnProperty('__initializedIntlObject')) {
     throw new TypeError('Trying to re-initialize DateTimeFormat object.');
   }
 
   if (options === undefined) {
     options = {};
   }
 
   var locale = resolveLocale('dateformat', locales, options);
@@ skipping 36 matching lines @@
     pattern: {writable: true},
     requestedLocale: {value: requestedLocale, writable: true},
     second: {writable: true},
     timeZone: {writable: true},
     timeZoneName: {writable: true},
     tz: {value: tz, writable: true},
     weekday: {writable: true},
     year: {writable: true}
   });
 
-  var formatter = NativeJSCreateDateTimeFormat(
+  var formatter = %CreateDateTimeFormat(
     requestedLocale, {skeleton: ldmlString, timeZone: tz}, resolved);
 
   if (tz !== undefined && tz !== resolved.timeZone) {
     throw new RangeError('Unsupported time zone specified ' + tz);
   }
 
   Object.defineProperty(dateFormat, 'formatter', {value: formatter});
   Object.defineProperty(dateFormat, 'resolved', {value: resolved});
   Object.defineProperty(dateFormat, '__initializedIntlObject',
                         {value: 'dateformat'});
@@ skipping 96 matching lines @@
 %FunctionRemovePrototype(Intl.DateTimeFormat.supportedLocalesOf);
 %SetNativeFlag(Intl.DateTimeFormat.supportedLocalesOf);
 
 
 /**
  * Returns a String value representing the result of calling ToNumber(date)
  * according to the effective locale and the formatting options of this
  * DateTimeFormat.
  */
 function formatDate(formatter, dateValue) {
-  native function NativeJSInternalDateFormat();
-
   var dateMs;
   if (dateValue === undefined) {
     dateMs = Date.now();
   } else {
     dateMs = Number(dateValue);
   }
 
   if (!isFinite(dateMs)) {
     throw new RangeError('Provided date is not in valid range.');
   }
 
-  return NativeJSInternalDateFormat(formatter.formatter, new Date(dateMs));
+  return %InternalDateFormat(formatter.formatter, new Date(dateMs));
 }
 
 
 /**
  * Returns a Date object representing the result of calling ToString(value)
  * according to the effective locale and the formatting options of this
  * DateTimeFormat.
  * Returns undefined if date string cannot be parsed.
  */
 function parseDate(formatter, value) {
-  native function NativeJSInternalDateParse();
-  return NativeJSInternalDateParse(formatter.formatter, String(value));
+  return %InternalDateParse(formatter.formatter, String(value));
 }
 
 
 // 0 because date is optional argument.
 addBoundMethod(Intl.DateTimeFormat, 'format', formatDate, 0);
 addBoundMethod(Intl.DateTimeFormat, 'v8Parse', parseDate, 1);
 
 
 /**
  * Returns canonical Area/Location name, or throws an exception if the zone
@@ skipping 21 matching lines @@
 
   var result = toTitleCaseWord(match[1]) + '/' + toTitleCaseWord(match[2]);
   var i = 3;
   while (match[i] !== undefined && i < match.length) {
     result = result + '_' + toTitleCaseWord(match[i]);
     i++;
   }
 
   return result;
 }