Update includes for webrtc/{base => rtc_base} rename (3/3)

webrtc/rtc_base/ratetracker.cc

Index: webrtc/rtc_base/ratetracker.cc
diff --git a/webrtc/rtc_base/ratetracker.cc b/webrtc/rtc_base/ratetracker.cc
index a59ec2fc3f419c4fd0d33fa4234eba6ef36e940e..731de8e663ad804d45e89aa9ee60f46b56ece19a 100644
--- a/webrtc/rtc_base/ratetracker.cc
+++ b/webrtc/rtc_base/ratetracker.cc
@@ -8,14 +8,14 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/base/ratetracker.h"
+#include "webrtc/rtc_base/ratetracker.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
-#include "webrtc/base/checks.h"
-#include "webrtc/base/timeutils.h"
+#include "webrtc/rtc_base/checks.h"
+#include "webrtc/rtc_base/timeutils.h"
 
 namespace rtc {