Migrate error messages, part 6. (string.js and date.js)

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.
 
 // This file relies on the fact that the following declarations have been made
 // in v8natives.js:
 // var $isFinite = GlobalIsFinite;
 
 var $createDate;
 
@@ skipping 673 matching lines @@
 
 function PadInt(n, digits) {
   if (digits == 1) return n;
   return n < %_MathPow(10, digits - 1) ? '0' + PadInt(n, digits - 1) : n;
 }
 
 
 // ECMA 262 - 15.9.5.43
 function DateToISOString() {
   var t = UTC_DATE_VALUE(this);
-  if (NUMBER_IS_NAN(t)) throw MakeRangeError("invalid_time_value", []);
+  if (NUMBER_IS_NAN(t)) throw MakeRangeError(kInvalidTimeValue);
   var year = this.getUTCFullYear();
   var year_string;
   if (year >= 0 && year <= 9999) {
     year_string = PadInt(year, 4);
   } else {
     if (year < 0) {
       year_string = "-" + PadInt(-year, 6);
     } else {
       year_string = "+" + PadInt(year, 6);
     }
@@ skipping 112 matching lines @@
   "getYear", DateGetYear,
   "setYear", DateSetYear,
   "toISOString", DateToISOString,
   "toJSON", DateToJSON
 ]);
 
 // Expose to the global scope.
 $createDate = CreateDate;
 
 })();