net-internals: Display time log dump was created at end of printed logs

chrome/browser/resources/net_internals/time_util.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.
 
 var timeutil = (function() {
   'use strict';
 
   /**
    * Offset needed to convert event times to Date objects.
    * Updated whenever constants are loaded.
    */
   var timeTickOffset = 0;
 
   /**
    * Sets the offset used to convert tick counts to dates.
    */
   function setTimeTickOffset(offset) {
     // Note that the subtraction by 0 is to cast to a number (probably a float
     // since the numbers are big).
     timeTickOffset = offset - 0;
   }
 
   /**
    * The browser gives us times in terms of "time ticks" in milliseconds.
+   * This function converts the tick count to a Javascript "time", which is
+   * the UTC time in milliseconds.
+   *
+   * @param {String} timeTicks A time represented in "time ticks".
+   * @return {number} The Javascript time that |timeTicks| represents.
+   */
+  function convertTimeTicksToTime(timeTicks) {
+    return timeTickOffset + (timeTicks - 0);
+  }
+
+  /**
+   * The browser gives us times in terms of "time ticks" in milliseconds.
    * This function converts the tick count to a Date() object.
    *
    * @param {String} timeTicks A time represented in "time ticks".
    * @return {Date} The time that |timeTicks| represents.
    */
   function convertTimeTicksToDate(timeTicks) {
-    var timeStampMs = timeTickOffset + (timeTicks - 0);
-    return new Date(timeStampMs);
+    return new Date(convertTimeTicksToTime(timeTicks));
   }
 
   /**
    * Returns the current time.
    *
    * @return {number} Milliseconds since the Unix epoch.
    */
   function getCurrentTime() {
     return (new Date()).getTime();
   }
@@ skipping 38 matching lines @@
    */
   function zeroPad_(num, len) {
     var str = num + '';
     while (str.length < len)
       str = '0' + str;
     return str;
   }
 
   return {
     setTimeTickOffset: setTimeTickOffset,
+    convertTimeTicksToTime: convertTimeTicksToTime,
     convertTimeTicksToDate: convertTimeTicksToDate,
     getCurrentTime: getCurrentTime,
     addNodeWithDate: addNodeWithDate,
     dateToString: dateToString
   };
 })();