Implement progress bar for large objects.

src/objects-visiting.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 417 matching lines @@
    public:
     template<int size>
     static inline void VisitSpecialized(Map* map, HeapObject* object) {
     }
 
     static inline void Visit(Map* map, HeapObject* object) {
     }
   };
 
   typedef FlexibleBodyVisitor<StaticVisitor,
+                              FixedArray::BodyDescriptor,
+                              void> FixedArrayVisitor;
+
+  typedef FlexibleBodyVisitor<StaticVisitor,
                               JSObject::BodyDescriptor,
                               void> JSObjectVisitor;
 
   typedef FlexibleBodyVisitor<StaticVisitor,
                               StructBodyDescriptor,
                               void> StructObjectVisitor;
 
   typedef void (*Callback)(Map* map, HeapObject* object);
 
   static VisitorDispatchTable<Callback> table_;
 };
 
 
 template<typename StaticVisitor>
 VisitorDispatchTable<typename StaticMarkingVisitor<StaticVisitor>::Callback>
     StaticMarkingVisitor<StaticVisitor>::table_;
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_VISITING_H_