Convert ThroughputObservationCallback to RepeatingCallback.

Bug: 1007815
Change-Id: I72241731610b566ca062ff95f8fd94289999b3a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2083327
Reviewed-by: Matt Menke <[email protected]>
Commit-Queue: Anna Malova <[email protected]>
Cr-Commit-Position: refs/heads/master@{#746379}
diff --git a/net/nqe/throughput_analyzer.h b/net/nqe/throughput_analyzer.h
index 5e3e14c..a5378cf8 100644
--- a/net/nqe/throughput_analyzer.h
+++ b/net/nqe/throughput_analyzer.h
@@ -20,7 +20,7 @@
 #include "net/log/net_log_with_source.h"
 
 namespace {
-typedef base::Callback<void(int32_t)> ThroughputObservationCallback;
+typedef base::RepeatingCallback<void(int32_t)> ThroughputObservationCallback;
 }
 
 namespace base {