Move error message makers off js builtins object.

src/js/symbol.js

Index: src/js/symbol.js
diff --git a/src/js/symbol.js b/src/js/symbol.js
index 1596169685e49e186a591f8358e108382b98f078..5e79962034177c253210d6a6006e84fde184cf61 100644
--- a/src/js/symbol.js
+++ b/src/js/symbol.js
@@ -18,12 +18,14 @@ var isConcatSpreadableSymbol =
     utils.ImportNow("is_concat_spreadable_symbol");
 var isRegExpSymbol = utils.ImportNow("is_regexp_symbol");
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
+var MakeTypeError;
 var ObjectGetOwnPropertyKeys;
 var toPrimitiveSymbol = utils.ImportNow("to_primitive_symbol");
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 var unscopablesSymbol = utils.ImportNow("unscopables_symbol");
 
 utils.Import(function(from) {
+  MakeTypeError = from.MakeTypeError;
   ObjectGetOwnPropertyKeys = from.ObjectGetOwnPropertyKeys;
 });