Correct handling of arrays with callbacks in the prototype chain.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 32471443bb7a7bd823337d768ffe6a454cc477b5..6fb7434590a85236c010b8d45b378ff000821d2f 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -1394,6 +1394,10 @@ class MacroAssembler: public Assembler {
     bind(&no_memento_found);
   }
 
+  // Jumps to found label if a prototype map has dictionary elements.
+  void JumpIfDictionaryInPrototypeChain(Register object, Register scratch0,
+                                        Register scratch1, Label* found);
+
  private:
   void CallCFunctionHelper(Register function,
                            int num_reg_arguments,