[cleanup] Drop JSObject::GetOwnPropertyNames().

src/objects.h

 // Copyright 2012 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 2240 matching lines @@
   static inline int GetHeaderSize(InstanceType instance_type);
   inline int GetHeaderSize();
 
   static inline int GetInternalFieldCount(Map* map);
   inline int GetInternalFieldCount();
   inline int GetInternalFieldOffset(int index);
   inline Object* GetInternalField(int index);
   inline void SetInternalField(int index, Object* value);
   inline void SetInternalField(int index, Smi* value);
 
-  // Returns the number of properties on this object filtering out properties
-  // with the specified attributes (ignoring interceptors).
-  int NumberOfOwnProperties(PropertyFilter filter = ALL_PROPERTIES);
-  // Fill in details for properties into storage starting at the specified
-  // index. Returns the number of properties added.
-  int GetOwnPropertyNames(FixedArray* storage, int index,
-                          PropertyFilter filter = ALL_PROPERTIES);
   void CollectOwnPropertyNames(KeyAccumulator* keys,
                                PropertyFilter filter = ALL_PROPERTIES);
 
   // Returns the number of properties on this object filtering out properties
   // with the specified attributes (ignoring interceptors).
   // TODO(jkummerow): Deprecated, only used by Object.observe.
   int NumberOfOwnElements(PropertyFilter filter);
   // Returns the number of elements on this object filtering out elements
   // with the specified attributes (ignoring interceptors).
   // TODO(jkummerow): Deprecated, only used by Object.observe.
@@ skipping 1068 matching lines @@
       Key key) {
     return DerivedHashTable::Shrink(dictionary, key);
   }
 
   // Sorting support
   // TODO(dcarney): templatize or move to SeededNumberDictionary
   void CopyValuesTo(FixedArray* elements);
 
   // Returns the number of elements in the dictionary filtering out properties
   // with the specified attributes.
+  // TODO(jkummerow): Deprecated, only used by Object.observe.
   int NumberOfElementsFilterAttributes(PropertyFilter filter);
 
   // Returns the number of enumerable elements in the dictionary.
+  // TODO(jkummerow): Deprecated, only used by Object.observe.
   int NumberOfEnumElements() {
     return NumberOfElementsFilterAttributes(ENUMERABLE_STRINGS);
   }
 
   // Returns true if the dictionary contains any elements that are non-writable,
   // non-configurable, non-enumerable, or have getters/setters.
   bool HasComplexElements();
 
   enum SortMode { UNSORTED, SORTED };
 
   // Fill in details for properties into storage.
   // Returns the number of properties added.
+  // TODO(jkummerow): Deprecated, only used by Object.observe.
   int CopyKeysTo(FixedArray* storage, int index, PropertyFilter filter,
                  SortMode sort_mode);
   // Collect the keys into the given KeyAccumulator, in ascending chronological
   // order of property creation.
   static void CollectKeysTo(Handle<Dictionary<Derived, Shape, Key> > dictionary,
                             KeyAccumulator* keys, PropertyFilter filter);
 
   // Copies enumerable keys to preallocated fixed array.
   void CopyEnumKeysTo(FixedArray* storage);
 
@@ skipping 7304 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_