Callers of ElementsAccessor::AddElementsToFixedArray(), ElementsAccessor::HasElement() and Elements…

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 3042 matching lines @@
 
   // Shrink length and insert filler objects.
   void Shrink(int length);
 
   // Copy operations.
   MUST_USE_RESULT inline MaybeObject* Copy();
   MUST_USE_RESULT MaybeObject* CopySize(int new_length,
                                         PretenureFlag pretenure = NOT_TENURED);
 
   // Add the elements of a JSArray to this FixedArray.
-  MUST_USE_RESULT MaybeObject* AddKeysFromJSArray(JSArray* array);
+  static Handle<FixedArray> AddKeysFromJSArray(Handle<FixedArray> content,
+                                               Handle<JSArray> array);
 
-  // Compute the union of this and other.
-  MUST_USE_RESULT MaybeObject* UnionOfKeys(FixedArray* other);
+  // Computes the union of keys and return the result.
+  // Used for implementing "for (n in object) { }"
+  static Handle<FixedArray> UnionOfKeys(Handle<FixedArray> first,
+                                        Handle<FixedArray> second);
 
   // Copy a sub array from the receiver to dest.
   void CopyTo(int pos, FixedArray* dest, int dest_pos, int len);
 
   // Garbage collection support.
   static int SizeFor(int length) { return kHeaderSize + length * kPointerSize; }
 
   // Code Generation support.
   static int OffsetOfElementAt(int index) { return SizeFor(index); }
 
@@ skipping 7746 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_