pacing_controller: add millisecond units to warning message

Bug: None
Change-Id: I8a5c5ca6a641a74213116a734f3c19c6972e5916
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/311400
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40418}
diff --git a/modules/pacing/pacing_controller.cc b/modules/pacing/pacing_controller.cc
index 495aaeb..74def9c 100644
--- a/modules/pacing/pacing_controller.cc
+++ b/modules/pacing/pacing_controller.cc
@@ -291,9 +291,9 @@
   TimeDelta elapsed_time = now - last_process_time_;
   last_process_time_ = now;
   if (elapsed_time > kMaxElapsedTime) {
-    RTC_LOG(LS_WARNING) << "Elapsed time (" << elapsed_time.ms()
-                        << " ms) longer than expected, limiting to "
-                        << kMaxElapsedTime.ms();
+    RTC_LOG(LS_WARNING) << "Elapsed time (" << ToLogString(elapsed_time)
+                        << ") longer than expected, limiting to "
+                        << ToLogString(kMaxElapsedTime);
     elapsed_time = kMaxElapsedTime;
   }
   return elapsed_time;