diff --git a/third_party/chromium/base/json/json_writer.h b/third_party/chromium/base/json/json_writer.h
index 5711665..ef43341 100644
--- a/third_party/chromium/base/json/json_writer.h
+++ b/third_party/chromium/base/json/json_writer.h
@@ -5,10 +5,12 @@
 #ifndef BASE_JSON_JSON_WRITER_H_
 #define BASE_JSON_JSON_WRITER_H_
 
+#include <stddef.h>
+
 #include <string>
 
 #include "base/base_export.h"
-#include "base/basictypes.h"
+#include "base/macros.h"
 
 namespace base {