Dictionary::DeleteProperty() handlified.

src/objects.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 3999 matching lines @@
 
   // Set the details for entry.
   void DetailsAtPut(int entry, PropertyDetails value) {
     this->set(DerivedHashTable::EntryToIndex(entry) + 2, value.AsSmi());
   }
 
   // Sorting support
   void CopyValuesTo(FixedArray* elements);
 
   // Delete a property from the dictionary.
-  Object* DeleteProperty(int entry, JSObject::DeleteMode mode);
-  // TODO(ishell): Temporary wrapper until handlified.
   static Handle<Object> DeleteProperty(
-      Handle<Dictionary> dictionary,
+      Handle<Derived> dictionary,
       int entry,
       JSObject::DeleteMode mode);
 
   // Attempt to shrink the dictionary after deletion of key.
   static inline Handle<Derived> Shrink(Handle<Derived> dictionary, Key key) {
     return DerivedHashTable::Shrink(dictionary, key);
   }
 
   // Returns the number of elements in the dictionary filtering out properties
   // with the specified attributes.
@@ skipping 7245 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_