Migrate error messages, part 8.

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"])
+    throw MakeTypeError(kProxyHandlerNonObject, "create")
   if (IS_UNDEFINED(proto))
     proto = null
   else if (!(IS_SPEC_OBJECT(proto) || IS_NULL(proto)))
-    throw MakeTypeError("proto_non_object", ["create"])
+    throw MakeTypeError(kProxyProtoNonObject)
   return %CreateJSProxy(handler, proto)
 }
 
 function ProxyCreateFunction(handler, callTrap, constructTrap) {
   if (!IS_SPEC_OBJECT(handler))
-    throw MakeTypeError("handler_non_object", ["create"])
+    throw MakeTypeError(kProxyHandlerNonObject, "createFunction")
   if (!IS_SPEC_FUNCTION(callTrap))
-    throw MakeTypeError("trap_function_expected", ["createFunction", "call"])
+    throw MakeTypeError(kProxyTrapFunctionExpected, "call")
   if (IS_UNDEFINED(constructTrap)) {
     constructTrap = DerivedConstructTrap(callTrap)
   } else if (IS_SPEC_FUNCTION(constructTrap)) {
     // 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"])
+    throw MakeTypeError(kProxyTrapFunctionExpected, "construct")
   }
   return %CreateJSFunctionProxy(
     handler, callTrap, constructTrap, GlobalFunction.prototype)
 }
 
 // -------------------------------------------------------------------
 // Proxy Builtins
 
 function DerivedConstructTrap(callTrap) {
   return function() {
@@ skipping 133 matching lines @@
 
 $proxyDelegateCallAndConstruct = DelegateCallAndConstruct;
 $proxyDerivedGetTrap = DerivedGetTrap;
 $proxyDerivedHasTrap = DerivedHasTrap;
 $proxyDerivedHasOwnTrap = DerivedHasOwnTrap;
 $proxyDerivedKeysTrap = DerivedKeysTrap;
 $proxyDerivedSetTrap = DerivedSetTrap;
 $proxyEnumerate = ProxyEnumerate;
 
 })();