Unify symbols sharing across native scripts and runtime.

src/array-iterator.js

 // Copyright 2013 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 $arrayValues;
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
+// -----------------------------------------------------------------------
+// Imports
+
+var arrayIterationKindSymbol =
+    utils.GetPrivateSymbol("array_iteration_kind_symbol");
+var arrayIteratorNextIndexSymbol =
+    utils.GetPrivateSymbol("array_iterator_next_symbol");
+var arrayIteratorObjectSymbol =
+    utils.GetPrivateSymbol("array_iterator_object_symbol");
 var GlobalArray = global.Array;
 
 macro TYPED_ARRAYS(FUNCTION)
   FUNCTION(Uint8Array)
   FUNCTION(Int8Array)
   FUNCTION(Uint16Array)
   FUNCTION(Int16Array)
   FUNCTION(Uint32Array)
   FUNCTION(Int32Array)
   FUNCTION(Float32Array)
   FUNCTION(Float64Array)
   FUNCTION(Uint8ClampedArray)
 endmacro
 
 macro COPY_FROM_GLOBAL(NAME)
   var GlobalNAME = global.NAME;
 endmacro
 
 TYPED_ARRAYS(COPY_FROM_GLOBAL)
 
-var arrayIteratorObjectSymbol = GLOBAL_PRIVATE("ArrayIterator#object");
-var arrayIteratorNextIndexSymbol = GLOBAL_PRIVATE("ArrayIterator#next");
-var arrayIterationKindSymbol = GLOBAL_PRIVATE("ArrayIterator#kind");
-
+// -----------------------------------------------------------------------
 
 function ArrayIterator() {}
 
 
 // TODO(wingo): Update section numbers when ES6 has stabilized.  The
 // section numbers below are already out of date as of the May 2014
 // draft.
 
 
 // 15.4.5.1 CreateArrayIterator Abstract Operation
@@ skipping 115 matching lines @@
   to.ArrayIteratorCreateResultObject = CreateIteratorResultObject;
 });
 
 $arrayValues = ArrayValues;
 
 utils.ExportToRuntime(function(to) {
   to.ArrayValues = ArrayValues;
 });
 
 })