| Index: components/history/core/browser/history_types_unittest.cc
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| diff --git a/components/history/core/browser/history_types_unittest.cc b/components/history/core/browser/history_types_unittest.cc
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| index 92c2f904c3ed8ada21d27f6fc917d1d221a74d3e..8641baa33040ef9f8f3f3098f2783a86ce25ed66 100644
 | 
| --- a/components/history/core/browser/history_types_unittest.cc
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| +++ b/components/history/core/browser/history_types_unittest.cc
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| @@ -2,6 +2,8 @@
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|  // 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 "base/strings/utf_string_conversions.h"
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|  #include "components/history/core/browser/history_types.h"
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|  #include "testing/gtest/include/gtest/gtest.h"
 | 
| 
 |