lint failure with latest depot_tools

src/objects.cc

 // Copyright 2013 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 8522 matching lines @@
       String::Visit(next, 0, *this, null_op, type, length);
     }
 
     ConsStringIteratorOp* const op_;
     bool is_one_byte_;
     unsigned length_;
     union {
       const uint8_t* buffer8_;
       const uint16_t* buffer16_;
     };
+
+   private:
     DISALLOW_IMPLICIT_CONSTRUCTORS(State);
   };
 
  public:
   inline StringComparator(ConsStringIteratorOp* op_1,
                           ConsStringIteratorOp* op_2)
     : state_1_(op_1),
       state_2_(op_2) {
   }
 
@@ skipping 7133 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal