Small polishing changes to the native js.

src/proxy.js

 // Copyright 2011 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 $proxyDelegateCallAndConstruct;
 var $proxyDerivedGetTrap;
 var $proxyDerivedHasTrap;
 var $proxyDerivedHasOwnTrap;
 var $proxyDerivedKeysTrap;
 var $proxyDerivedSetTrap;
 var $proxyEnumerate;
 
 (function() {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
+var GlobalFunction = global.Function;
 var GlobalObject = global.Object;
 
 // -------------------------------------------------------------------
 
 function ProxyCreate(handler, proto) {
   if (!IS_SPEC_OBJECT(handler))
     throw MakeTypeError("handler_non_object", ["create"])
   if (IS_UNDEFINED(proto))
     proto = null
   else if (!(IS_SPEC_OBJECT(proto) || IS_NULL(proto)))
@@ skipping 12 matching lines @@
     // Make sure the trap receives 'undefined' as this.
     var construct = constructTrap
     constructTrap = function() {
       return %Apply(construct, UNDEFINED, arguments, 0, %_ArgumentsLength());
     }
   } else {
     throw MakeTypeError("trap_function_expected",
                         ["createFunction", "construct"])
   }
   return %CreateJSFunctionProxy(
-    handler, callTrap, constructTrap, $Function.prototype)
+    handler, callTrap, constructTrap, GlobalFunction.prototype)
 }
 
 // -------------------------------------------------------------------
 // Proxy Builtins
 
 function DerivedConstructTrap(callTrap) {
   return function() {
     var proto = this.prototype
-    if (!IS_SPEC_OBJECT(proto)) proto = $Object.prototype
+    if (!IS_SPEC_OBJECT(proto)) proto = GlobalObject.prototype
     var obj = { __proto__: proto };
     var result = %Apply(callTrap, obj, arguments, 0, %_ArgumentsLength());
     return IS_SPEC_OBJECT(result) ? result : obj
   }
 }
 
 function DelegateCallAndConstruct(callTrap, constructTrap) {
   return function() {
     return %Apply(%_IsConstructCall() ? constructTrap : callTrap,
                   this, arguments, 0, %_ArgumentsLength())
@@ skipping 121 matching lines @@
 
 $proxyDelegateCallAndConstruct = DelegateCallAndConstruct;
 $proxyDerivedGetTrap = DerivedGetTrap;
 $proxyDerivedHasTrap = DerivedHasTrap;
 $proxyDerivedHasOwnTrap = DerivedHasOwnTrap;
 $proxyDerivedKeysTrap = DerivedKeysTrap;
 $proxyDerivedSetTrap = DerivedSetTrap;
 $proxyEnumerate = ProxyEnumerate;
 
 })();