ElementsAccessor::SetLength() 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 1518 matching lines @@
 
   MUST_USE_RESULT MaybeObject* ToObject(Isolate* isolate);  // ECMA-262 9.9.
   bool BooleanValue();                                      // ECMA-262 9.2.
 
   // Convert to a JSObject if needed.
   // native_context is used when creating wrapper object.
   MUST_USE_RESULT MaybeObject* ToObject(Context* native_context);
 
   // Converts this to a Smi if possible.
   // Failure is returned otherwise.
+  static MUST_USE_RESULT inline Handle<Object> ToSmi(Isolate* isolate,
+                                                     Handle<Object> object);
   MUST_USE_RESULT inline MaybeObject* ToSmi();
 
   void Lookup(Name* name, LookupResult* result);
 
   // Property access.
   MUST_USE_RESULT inline MaybeObject* GetProperty(Name* key);
   MUST_USE_RESULT inline MaybeObject* GetProperty(
       Name* key,
       PropertyAttributes* attributes);
 
@@ skipping 9244 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_