[stubs] Cleanup FixedArray copying builtin

src/objects.h

 // Copyright 2015 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 <memory>
 
@@ skipping 2645 matching lines @@
   // [length]: length of the array.
   inline int length() const;
   inline void set_length(int value);
 
   // Get and set the length using acquire loads and release stores.
   inline int synchronized_length() const;
   inline void synchronized_set_length(int value);
 
   DECLARE_CAST(FixedArrayBase)
 
+  static int GetMaxLengthForNewSpaceAllocation(ElementsKind kind);
+
   // Layout description.
   // Length is smi tagged when it is stored.
   static const int kLengthOffset = HeapObject::kHeaderSize;
   static const int kHeaderSize = kLengthOffset + kPointerSize;
 };
 
 
 class FixedDoubleArray;
 class IncrementalMarking;
 
@@ skipping 8391 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_