--- a/chrome/browser/search/background/ntp_backgrounds.h	2020-08-10 20:39:20.000000000 +0200
+++ b/chrome/browser/search/background/ntp_backgrounds.h	2020-09-04 13:48:22.640023256 +0200
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_SEARCH_BACKGROUND_NTP_BACKGROUNDS_H_
 
 #include <array>
+#include <cstddef>
 
 class GURL;