Chromoting to report roundtrip latency

remoting/client/chromoting_stats.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/client/chromoting_stats.h"
 
 namespace {
 
 // The default window of bandwidth in seconds. Bandwidth is reported as
 // number of numbers received in this time frame.
 static const int kBandwidthWindow = 3;
 
 // We take the last 10 latency numbers and report the average.
 static const int kLatencyWindow = 10;
 
 }  // namespace
 
 namespace remoting {
 
 ChromotingStats::ChromotingStats()
     : video_bandwidth_(base::TimeDelta::FromSeconds(kBandwidthWindow)),
       video_capture_ms_(kLatencyWindow),
       video_encode_ms_(kLatencyWindow),
       video_decode_ms_(kLatencyWindow),
-      video_paint_ms_(kLatencyWindow) {
+      video_paint_ms_(kLatencyWindow),
+      round_trip_ms_(kLatencyWindow) {
 }
 
 }  // namespace remoting