[builtins] Migrate the leftover Boolean setup to C++.

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
 
 var GlobalArray = global.Array;
-var GlobalBoolean = global.Boolean;
 var GlobalNumber = global.Number;
 var GlobalObject = global.Object;
 var InternalArray = utils.InternalArray;
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
 var MakeRangeError;
 var MakeSyntaxError;
 var MakeTypeError;
 var MathAbs;
 var NaN = %GetRootNaN();
 var ObjectToString = utils.ImportNow("object_to_string");
@@ skipping 847 matching lines @@
   "defineProperties", ObjectDefineProperties,
   "getPrototypeOf", ObjectGetPrototypeOf,
   "setPrototypeOf", ObjectSetPrototypeOf,
   // getOwnPropertySymbols is added in symbol.js.
   "is", SameValue,  // ECMA-262, Edition 6, section 19.1.2.10
   // deliverChangeRecords, getNotifier, observe and unobserve are added
   // in object-observe.js.
 ]);
 
 
-// ----------------------------------------------------------------------------
-// Boolean
-
-function BooleanToString() {
-  // NOTE: Both Boolean objects and values can enter here as
-  // 'this'. This is not as dictated by ECMA-262.
-  var b = this;
-  if (!IS_BOOLEAN(b)) {
-    if (!IS_BOOLEAN_WRAPPER(b)) {
-      throw MakeTypeError(kNotGeneric, 'Boolean.prototype.toString');
-    }
-    b = %_ValueOf(b);
-  }
-  return b ? 'true' : 'false';
-}
-
-
-function BooleanValueOf() {
-  // NOTE: Both Boolean objects and values can enter here as
-  // 'this'. This is not as dictated by ECMA-262.
-  if (!IS_BOOLEAN(this) && !IS_BOOLEAN_WRAPPER(this)) {
-    throw MakeTypeError(kNotGeneric, 'Boolean.prototype.valueOf');
-  }
-  return %_ValueOf(this);
-}
-
-
-// ----------------------------------------------------------------------------
-
-%FunctionSetPrototype(GlobalBoolean, new GlobalBoolean(false));
-%AddNamedProperty(GlobalBoolean.prototype, "constructor", GlobalBoolean,
-                  DONT_ENUM);
-
-utils.InstallFunctions(GlobalBoolean.prototype, DONT_ENUM, [
-  "toString", BooleanToString,
-  "valueOf", BooleanValueOf
-]);
-
 
 // ----------------------------------------------------------------------------
 // Number
 
 // 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)) {
@@ skipping 220 matching lines @@
   to.ObjectDefineProperties = ObjectDefineProperties;
   to.ObjectDefineProperty = ObjectDefineProperty;
   to.ObjectHasOwnProperty = ObjectHasOwnProperty;
 });
 
 %InstallToContext([
   "object_value_of", ObjectValueOf,
 ]);
 
 })