Show max latency on client's status bar

remoting/webapp/base/js/stats_accumulator.js

Index: remoting/webapp/base/js/stats_accumulator.js
diff --git a/remoting/webapp/base/js/stats_accumulator.js b/remoting/webapp/base/js/stats_accumulator.js
index e0edd49653807203dd25b333d7c5f2af697fc45f..e8bda09ff0a11752131ec6af1e1d9604f223c917 100644
--- a/remoting/webapp/base/js/stats_accumulator.js
+++ b/remoting/webapp/base/js/stats_accumulator.js
@@ -94,6 +94,26 @@ remoting.StatsAccumulator.prototype.calcMean = function(key) {
 };
 
 /**
+ * Finds the max of the values for a given key.
+ *
+ * @param {string} key
+ * @return {number} the max of the values for that key
+ */
+remoting.StatsAccumulator.prototype.calcMax = function(key) {
+  /**
+   * @param {Array<number>} values
+   * @return {number}
+   */
+  var calcMax = function(values) {
+    if (!values || !values.length) {
+      return 0;
+    }
+    return Math.max.apply(null, values);
+  };
+  return this.map(key, calcMax);
+};
+
+/**
  * Applies a given map to the list of values for a given key.
  *
  * @param {string} key
@@ -131,10 +151,15 @@ remoting.StatsAccumulator.prototype.getPerfStats = function() {
   var stats = new remoting.ClientSession.PerfStats();
   stats.videoBandwidth = this.calcMean('videoBandwidth');
   stats.captureLatency = this.calcMean('captureLatency');
+  stats.maxCaptureLatency = this.calcMax('maxCaptureLatency');
   stats.encodeLatency = this.calcMean('encodeLatency');
+  stats.maxEncodeLatency = this.calcMax('maxEncodeLatency');
   stats.decodeLatency = this.calcMean('decodeLatency');
+  stats.maxDecodeLatency = this.calcMax('maxDecodeLatency');
   stats.renderLatency = this.calcMean('renderLatency');
+  stats.maxRenderLatency = this.calcMax('maxRenderLatency');
   stats.roundtripLatency = this.calcMean('roundtripLatency');
+  stats.maxRoundtripLatency = this.calcMax('maxRoundtripLatency');
 
   for (var key in stats) {
     if (stats[key] !== 0) {