--- chromium-61.0.3163.59/third_party/webrtc/modules/audio_processing/aec3/aec_state.cc.bak	2017-08-23 21:08:14.000000000 +0200
+++ chromium-61.0.3163.59/third_party/webrtc/modules/audio_processing/aec3/aec_state.cc	2017-08-29 13:07:50.789475942 +0200
@@ -10,7 +10,7 @@
 
 #include "modules/audio_processing/aec3/aec_state.h"
 
-#include <math.h>
+#include <cmath>
 
 #include <numeric>
 #include <vector>