[builtins] Move the Boolean constructor 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
@@ skipping 863 matching lines @@
   // 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 BooleanConstructor(x) {
-  // TODO(bmeurer): Move this to toplevel.
-  "use strict";
-  if (!IS_UNDEFINED(new.target)) {
-    %_SetValueOf(this, TO_BOOLEAN(x));
-  } else {
-    return TO_BOOLEAN(x);
-  }
-}
-
-
 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);
 }
 
 
 // ----------------------------------------------------------------------------
 
-%SetCode(GlobalBoolean, BooleanConstructor);
 %FunctionSetPrototype(GlobalBoolean, new GlobalBoolean(false));
 %AddNamedProperty(GlobalBoolean.prototype, "constructor", GlobalBoolean,
                   DONT_ENUM);
 
 utils.InstallFunctions(GlobalBoolean.prototype, DONT_ENUM, [
   "toString", BooleanToString,
   "valueOf", BooleanValueOf
 ]);
 
 
@@ skipping 229 matching lines @@
   to.ObjectDefineProperties = ObjectDefineProperties;
   to.ObjectDefineProperty = ObjectDefineProperty;
   to.ObjectHasOwnProperty = ObjectHasOwnProperty;
 });
 
 %InstallToContext([
   "object_value_of", ObjectValueOf,
 ]);
 
 })