Expose Map/Set methods through the API

src/collection.js

 // Copyright 2012 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 $getHash;
 var $getExistingHash;
+var $mapSet;
+var $mapHas;
+var $mapDelete;
+var $setAdd;
+var $setHas;
+var $setDelete;
 var $mapFromArray;
 var $setFromArray;
 
 (function(global, utils) {
 "use strict";
 
 %CheckIsBootstrapping();
 
 // -------------------------------------------------------------------
 // Imports
@@ skipping 457 matching lines @@
   "set", MapSet,
   "has", MapHas,
   "delete", MapDelete,
   "clear", MapClearJS,
   "forEach", MapForEach
 ]);
 
 // Expose to the global scope.
 $getHash = GetHash;
 $getExistingHash = GetExistingHash;
+$mapGet = MapGet;
+$mapSet = MapSet;
+$mapHas = MapHas;
+$mapDelete = MapDelete;
+$setAdd = SetAdd;
+$setHas = SetHas;
+$setDelete = SetDelete;
 
 $mapFromArray = function(array) {
   var map = new GlobalMap;
   var length = array.length;
   for (var i = 0; i < length; i += 2) {
     var key = array[i];
     var value = array[i + 1];
     %_CallFunction(map, key, value, MapSet);
   }
   return map;
 };
 
 $setFromArray = function(array) {
   var set = new GlobalSet;
   var length = array.length;
   for (var i = 0; i < length; ++i) {
     %_CallFunction(set, array[i], SetAdd);
   }
   return set;
 };
 
 })