[runtime] Replace %to_string_fun with %_ToString.

src/date.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var $createDate;
 
 // -------------------------------------------------------------------
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
 // -------------------------------------------------------------------
 // Imports
 
 var GlobalDate = global.Date;
 var GlobalObject = global.Object;
 var InternalArray = utils.InternalArray;
 var IsFinite;
 var MathAbs;
 var MathFloor;
 var ToNumber;
-var ToString;
 
 utils.Import(function(from) {
   IsFinite = from.IsFinite;
   MathAbs = from.MathAbs;
   MathFloor = from.MathFloor;
   ToNumber = from.ToNumber;
-  ToString = from.ToString;
 });
 
 // -------------------------------------------------------------------
 
 // This file contains date support implemented in JavaScript.
 
 var timezone_cache_time = NAN;
 var timezone_cache_timezone;
 
 function LocalTimezone(t) {
@@ skipping 218 matching lines @@
   return DateString(date) + ' ' + TimeString(date);
 }
 
 // -------------------------------------------------------------------
 
 // Reused output buffer. Used when parsing date strings.
 var parse_buffer = new InternalArray(8);
 
 // ECMA 262 - 15.9.4.2
 function DateParse(string) {
-  var arr = %DateParseString(ToString(string), parse_buffer);
+  var arr = %DateParseString(string, parse_buffer);
   if (IS_NULL(arr)) return NAN;
 
   var day = MakeDay(arr[0], arr[1], arr[2]);
   var time = MakeTime(arr[3], arr[4], arr[5], arr[6]);
   var date = MakeDate(day, time);
 
   if (IS_NULL(arr[7])) {
     return TimeClip(UTC(date));
   } else {
     return TimeClip(date - arr[7] * 1000);
@@ skipping 596 matching lines @@
   "toUTCString", DateToUTCString,
   "getYear", DateGetYear,
   "setYear", DateSetYear,
   "toISOString", DateToISOString,
   "toJSON", DateToJSON
 ]);
 
 %InstallToContext(["create_date_fun", CreateDate]);
 
 })