--- a/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h	2020-08-10 20:42:29.000000000 +0200
+++ b/third_party/webrtc/modules/audio_processing/aec3/clockdrift_detector.h	2020-09-04 12:47:07.014833633 +0200
@@ -12,6 +12,7 @@
 #define MODULES_AUDIO_PROCESSING_AEC3_CLOCKDRIFT_DETECTOR_H_
 
 #include <array>
+#include <cstddef>
 
 namespace webrtc {