[modules] Implement @@iterator on namespace objects.

src/factory.h

 // Copyright 2014 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.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 #include "src/messages.h"
 #include "src/type-feedback-vector.h"
@@ skipping 506 matching lines @@
 
   Handle<JSIteratorResult> NewJSIteratorResult(Handle<Object> value, bool done);
 
   Handle<JSMap> NewJSMap();
   Handle<JSSet> NewJSSet();
 
   // TODO(aandrey): Maybe these should take table, index and kind arguments.
   Handle<JSMapIterator> NewJSMapIterator();
   Handle<JSSetIterator> NewJSSetIterator();
 
+  Handle<JSFixedArrayIterator> NewJSFixedArrayIterator(
+      Handle<FixedArray> array);
+
   // Allocates a bound function.
   MaybeHandle<JSBoundFunction> NewJSBoundFunction(
       Handle<JSReceiver> target_function, Handle<Object> bound_this,
       Vector<Handle<Object>> bound_args);
 
   // Allocates a Harmony proxy.
   Handle<JSProxy> NewJSProxy(Handle<JSReceiver> target,
                              Handle<JSReceiver> handler);
 
   // Reinitialize an JSGlobalProxy based on a constructor.  The object
@@ skipping 236 matching lines @@
                                      FunctionMode function_mode);
 
   void SetStrictFunctionInstanceDescriptor(Handle<Map> map,
                                            FunctionMode function_mode);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FACTORY_H_