Show max latency on client's status bar

remoting/protocol/performance_tracker.h

Index: remoting/protocol/performance_tracker.h
diff --git a/remoting/protocol/performance_tracker.h b/remoting/protocol/performance_tracker.h
index 3e5bf2c5f6b6eedafb65e64a3d292ffb0128c39b..67292ff8686ecb8294c3dd48fb3d9d05bb13620e 100644
--- a/remoting/protocol/performance_tracker.h
+++ b/remoting/protocol/performance_tracker.h
@@ -14,6 +14,7 @@
 #include "base/timer/timer.h"
 #include "remoting/base/rate_counter.h"
 #include "remoting/base/running_average.h"
+#include "remoting/base/running_max.h"
 
 namespace remoting {
 
@@ -54,6 +55,9 @@ class PerformanceTracker {
   double video_decode_ms() { return video_decode_ms_.Average(); }
   double video_paint_ms() { return video_paint_ms_.Average(); }
   double round_trip_ms() { return round_trip_ms_.Average(); }
+  double max_round_trip_ms() {
+    return static_cast<double>(max_round_trip_ms_.Max());
+  }
 
   // Record stats for a video-packet.
   void RecordVideoPacketStats(const VideoPacket& packet);
@@ -118,6 +122,7 @@ class PerformanceTracker {
   RunningAverage video_decode_ms_;
   RunningAverage video_paint_ms_;
   RunningAverage round_trip_ms_;
+  RunningMax max_round_trip_ms_;
 
   // Used to update UMA stats, if set.
   UpdateUmaCustomHistogramCallback uma_custom_counts_updater_;