[builtins] Migrate Number constructor similar to String constructor.

src/js/v8natives.js

 // Copyright 2012 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.
 
 (function(global, utils) {
 
 %CheckIsBootstrapping();
 
 // ----------------------------------------------------------------------------
 // Imports
@@ skipping 934 matching lines @@
 
 utils.InstallFunctions(GlobalBoolean.prototype, DONT_ENUM, [
   "toString", BooleanToString,
   "valueOf", BooleanValueOf
 ]);
 
 
 // ----------------------------------------------------------------------------
 // Number
 
-function NumberConstructor(x) {
-  // TODO(bmeurer): Move this to toplevel.
-  "use strict";
-  var value = %_ArgumentsLength() == 0 ? 0 : TO_NUMBER(x);
-  if (IS_UNDEFINED(new.target)) return value;
-
-  var result = %NewObject(GlobalNumber, new.target);
-  %_SetValueOf(result, value);
-  return result;
-}
-
-
 // ES6 Number.prototype.toString([ radix ])
 function NumberToStringJS(radix) {
   // NOTE: Both Number objects and values can enter here as
   // 'this'. This is not as dictated by ECMA-262.
   var number = this;
   if (!IS_NUMBER(this)) {
     if (!IS_NUMBER_WRAPPER(this)) {
       throw MakeTypeError(kNotGeneric, 'Number.prototype.toString');
     }
     // Get the value of this number in case it's an object.
@@ skipping 130 matching lines @@
     if (integral == number) {
       return MathAbs(integral) <= kMaxSafeInteger;
     }
   }
   return false;
 }
 
 
 // ----------------------------------------------------------------------------
 
-%SetCode(GlobalNumber, NumberConstructor);
 %FunctionSetPrototype(GlobalNumber, new GlobalNumber(0));
 
 %OptimizeObjectForAddingMultipleProperties(GlobalNumber.prototype, 8);
 // Set up the constructor property on the Number prototype object.
 %AddNamedProperty(GlobalNumber.prototype, "constructor", GlobalNumber,
                   DONT_ENUM);
 
 utils.InstallConstants(GlobalNumber, [
   // ECMA-262 section 15.7.3.1.
   "MAX_VALUE", 1.7976931348623157e+308,
@@ skipping 66 matching lines @@
   to.ObjectDefineProperties = ObjectDefineProperties;
   to.ObjectDefineProperty = ObjectDefineProperty;
   to.ObjectHasOwnProperty = ObjectHasOwnProperty;
 });
 
 %InstallToContext([
   "object_value_of", ObjectValueOf,
 ]);
 
 })