Move error message makers off js builtins object.

src/js/typedarray.js

Index: src/js/typedarray.js
diff --git a/src/js/typedarray.js b/src/js/typedarray.js
index deab424096dbe627c5c8be3acdf65bd08a6aa920..60cc20272d88d50d1a72ae94027ff10305d3ab17 100644
--- a/src/js/typedarray.js
+++ b/src/js/typedarray.js
@@ -18,6 +18,8 @@ var GlobalDataView = global.DataView;
 var GlobalObject = global.Object;
 var InternalArray = utils.InternalArray;
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
+var MakeRangeError;
+var MakeTypeError;
 var MaxSimple;
 var MinSimple;
 var ToPositiveInteger;
@@ -44,6 +46,8 @@ TYPED_ARRAYS(DECLARE_GLOBALS)
 
 utils.Import(function(from) {
   ArrayValues = from.ArrayValues;
+  MakeRangeError = from.MakeRangeError;
+  MakeTypeError = from.MakeTypeError;
   MaxSimple = from.MaxSimple;
   MinSimple = from.MinSimple;
   ToPositiveInteger = from.ToPositiveInteger;