Include time elapsed since start of a remoting session in each log entry.

remoting/webapp/crd/js/log_to_server.js

 // Copyright (c) 2012 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.
 
 /**
  * @fileoverview
  * Module for sending log entries to the server.
  */
 
 'use strict';
@@ skipping 75 matching lines @@
   // Don't accumulate connection statistics across state changes.
   this.logAccumulatedStatistics_();
   this.statsAccumulator_.empty();
   // Maybe clear the session ID.
   if (remoting.LogToServer.isEndOfSession_(state)) {
     this.clearSessionId_();
   }
 };
 
 /**
+ Logs the time taken from session start to connection completed.
+ */
+remoting.LogToServer.prototype.logTotalTimeForInitialConnection =
+    function(connectionType) {
+  // Log the total connection time.
+  var entry = remoting.ServerLogEntry.makeTotalTimeForInitialConnection(
+      this.sessionId_, this.mode_,
+      (new Date().getTime() - this.sessionStartTime_) / 1000.0);
+  this.log_(entry);
+};
+
+
+/**
  * Set the connection type (direct, stun relay).
  *
  * @param {string} connectionType
  */
 remoting.LogToServer.prototype.setConnectionType = function(connectionType) {
   this.connectionType_ = connectionType;
 };
 
 /**
  * @param {remoting.SignalStrategy.Type} strategyType
@@ skipping 164 matching lines @@
 remoting.LogToServer.generateSessionId_ = function() {
   var idArray = [];
   for (var i = 0; i < remoting.LogToServer.SESSION_ID_LEN_; i++) {
     var index =
         Math.random() * remoting.LogToServer.SESSION_ID_ALPHABET_.length;
     idArray.push(
         remoting.LogToServer.SESSION_ID_ALPHABET_.slice(index, index + 1));
   }
   return idArray.join('');
 };