Introduce safe interface to "copy and grow" FixedArray.

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 2381 matching lines @@
 
   // Gives access to raw memory which stores the array's data.
   inline Object** data_start();
 
   inline void FillWithHoles(int from, int to);
 
   // Shrink length and insert filler objects.
   void Shrink(int length);
 
   // Copy operation.
+  // TODO(mstarzinger): Deprecated, use Factory::CopyFixedArrayAndGrow!
   static Handle<FixedArray> CopySize(Handle<FixedArray> array,
                                      int new_length,
                                      PretenureFlag pretenure = NOT_TENURED);
 
   enum KeyFilter { ALL_KEYS, NON_SYMBOL_KEYS };
 
   // Add the elements of a JSArray to this FixedArray.
   MUST_USE_RESULT static MaybeHandle<FixedArray> AddKeysFromArrayLike(
       Handle<FixedArray> content, Handle<JSObject> array,
       KeyFilter filter = ALL_KEYS);
@@ skipping 8143 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_