Move error message makers off js builtins object.

src/js/i18n.js

Index: src/js/i18n.js
diff --git a/src/js/i18n.js b/src/js/i18n.js
index d05da3ef993c540b0febcd60f2fa61a8468e3e0f..5e96d063be01a2becfe4a70f9fb0b7d618f17332 100644
--- a/src/js/i18n.js
+++ b/src/js/i18n.js
@@ -27,6 +27,9 @@ var GlobalDate = global.Date;
 var GlobalNumber = global.Number;
 var GlobalRegExp = global.RegExp;
 var GlobalString = global.String;
+var MakeError;
+var MakeRangeError;
+var MakeTypeError;
 var MathFloor;
 var ObjectDefineProperties = utils.ImportNow("ObjectDefineProperties");
 var ObjectDefineProperty = utils.ImportNow("ObjectDefineProperty");
@@ -45,6 +48,9 @@ utils.Import(function(from) {
   ArrayPush = from.ArrayPush;
   IsFinite = from.IsFinite;
   IsNaN = from.IsNaN;
+  MakeError = from.MakeError;
+  MakeRangeError = from.MakeRangeError;
+  MakeTypeError = from.MakeTypeError;
   MathFloor = from.MathFloor;
   RegExpTest = from.RegExpTest;
   StringIndexOf = from.StringIndexOf;