[modules] Remove @@iterator on namespace objects.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 8d05411cd1beb6fe96482ebb2e20fcae2b9fa8b3..d79e3dd67ed8c920c44aeb83645e488ff4431195 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -72,7 +72,6 @@
 //           - JSDate
 //         - JSMessageObject
 //         - JSModuleNamespace
-//         - JSFixedArrayIterator
 //       - JSProxy
 //     - FixedArrayBase
 //       - ByteArray
@@ -410,7 +409,6 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
   V(JS_CONTEXT_EXTENSION_OBJECT_TYPE)                           \
   V(JS_GENERATOR_OBJECT_TYPE)                                   \
   V(JS_MODULE_NAMESPACE_TYPE)                                   \
-  V(JS_FIXED_ARRAY_ITERATOR_TYPE)                               \
   V(JS_GLOBAL_OBJECT_TYPE)                                      \
   V(JS_GLOBAL_PROXY_TYPE)                                       \
   V(JS_API_OBJECT_TYPE)                                         \
@@ -763,7 +761,6 @@ enum InstanceType {
   JS_CONTEXT_EXTENSION_OBJECT_TYPE,
   JS_GENERATOR_OBJECT_TYPE,
   JS_MODULE_NAMESPACE_TYPE,
-  JS_FIXED_ARRAY_ITERATOR_TYPE,
   JS_ARRAY_TYPE,
   JS_ARRAY_BUFFER_TYPE,
   JS_TYPED_ARRAY_TYPE,
@@ -1072,7 +1069,6 @@ template <class C> inline bool Is(Object* obj);
   V(JSContextExtensionObject)    \
   V(JSGeneratorObject)           \
   V(JSModuleNamespace)           \
-  V(JSFixedArrayIterator)        \
   V(Map)                         \
   V(DescriptorArray)             \
   V(FrameArray)                  \
@@ -10914,37 +10910,6 @@ class JSStringIterator : public JSObject {
   DISALLOW_IMPLICIT_CONSTRUCTORS(JSStringIterator);
 };
 
-// A JS iterator over the elements of a FixedArray.
-// This corresponds to ListIterator in ecma262/#sec-createlistiterator.
-class JSFixedArrayIterator : public JSObject {
- public:
-  DECLARE_CAST(JSFixedArrayIterator)
-  DECLARE_PRINTER(JSFixedArrayIterator)
-  DECLARE_VERIFIER(JSFixedArrayIterator)
-
-  // The array over which the iterator iterates.
-  DECL_ACCESSORS(array, FixedArray)
-
-  // The index of the array element that will be returned next.
-  DECL_INT_ACCESSORS(index)
-
-  // The initial value of the object's "next" property.
-  DECL_ACCESSORS(initial_next, JSFunction)
-
-  static const int kArrayOffset = JSObject::kHeaderSize;
-  static const int kIndexOffset = kArrayOffset + kPointerSize;
-  static const int kNextOffset = kIndexOffset + kPointerSize;
-  static const int kHeaderSize = kNextOffset + kPointerSize;
-
-  enum InObjectPropertyIndex {
-    kNextIndex,
-    kInObjectPropertyCount  // Dummy.
-  };
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(JSFixedArrayIterator);
-};
-
 // OrderedHashTableIterator is an iterator that iterates over the keys and
 // values of an OrderedHashTable.
 //