Remove FieldType::Iterator.

src/types.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_TYPES_H_
 #define V8_TYPES_H_
 
 #include "src/conversions.h"
 #include "src/handles.h"
 #include "src/objects.h"
@@ skipping 1124 matching lines @@
 
   bool Narrows(BoundsImpl that) {
     return that.lower->Is(this->lower) && this->upper->Is(that.upper);
   }
 };
 
 typedef BoundsImpl<ZoneTypeConfig> Bounds;
 
 class FieldType : public Object {
  public:
-  class Iterator;
-
-  // static Handle<FieldType> Create(Isolate* isolate, int length);
   static FieldType* None();
   static FieldType* Any();
   static Handle<FieldType> None(Isolate* isolate);
   static Handle<FieldType> Any(Isolate* isolate);
   static FieldType* Class(i::Map* map);
   static Handle<FieldType> Class(i::Handle<i::Map> map, Isolate* isolate);
   static FieldType* cast(Object* object);
 
   bool NowContains(Object* value);
   bool NowContains(Handle<Object> value);
   bool IsClass();
   Handle<i::Map> AsClass();
   bool IsNone() { return this == None(); }
   bool IsAny() { return this == Any(); }
   bool NowStable();
   bool NowIs(FieldType* other);
   bool NowIs(Handle<FieldType> other);
   Type* Convert(Zone* zone);
-  Iterator Classes();
-  int ClassCount() { return IsClass() ? 1 : 0; }
 
   void PrintTo(std::ostream& os);
 };
 
-class FieldType::Iterator {
- public:
-  bool Done() const { return done_; }
-  i::Handle<i::Map> Current() {
-    DCHECK(!Done());
-    return map_.ToHandleChecked();
-  }
-  void Advance() {
-    if (!done_) done_ = true;
-  }
-
- private:
-  friend FieldType;
-
-  Iterator() : done_(true) {}
-  explicit Iterator(MaybeHandle<i::Map> map)
-      : done_(map.is_null()), map_(map) {}
-
-  bool done_;
-  MaybeHandle<i::Map> map_;
-};
-
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPES_H_