| Index: tools/gn/tokenizer_unittest.cc
 | 
| diff --git a/tools/gn/tokenizer_unittest.cc b/tools/gn/tokenizer_unittest.cc
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| index 07f0d859c2000bd2efe0b8f95f351b37d4029ec6..1f34c334662dfb77bd21f1b7c7f3e8ac81ac61a7 100644
 | 
| --- a/tools/gn/tokenizer_unittest.cc
 | 
| +++ b/tools/gn/tokenizer_unittest.cc
 | 
| @@ -2,6 +2,8 @@
 | 
|  // Use of this source code is governed by a BSD-style license that can be
 | 
|  // found in the LICENSE file.
 | 
|  
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| +#include <stddef.h>
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| +
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|  #include "testing/gtest/include/gtest/gtest.h"
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|  #include "tools/gn/input_file.h"
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|  #include "tools/gn/token.h"
 | 
| 
 |