Add support for attaching custom parameters to NetLog events.

chrome/browser/resources/net_internals/main.js

 // Copyright (c) 2010 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.
 
 /**
  * Dictionary of constants (initialized by browser).
  */
-var LogEntryType = null;
 var LogEventType = null;
 var LogEventPhase = null;
 var LogSourceType = null;
 
 /**
  * Object to communicate between the renderer and the browser.
  * @type {!BrowserBridge}
  */
 var g_browser = null;
 
@@ skipping 163 matching lines @@
 BrowserBridge.prototype.receivedLogEventPhaseConstants =
 function(constantsMap) {
   LogEventPhase = constantsMap;
 };
 
 BrowserBridge.prototype.receivedLogSourceTypeConstants =
 function(constantsMap) {
   LogSourceType = constantsMap;
 };
 
-BrowserBridge.prototype.receivedLogEntryTypeConstants = function(constantsMap) {
-  LogEntryType = constantsMap;
-};
-
 BrowserBridge.prototype.receivedTimeTickOffset = function(timeTickOffset) {
   this.timeTickOffset_ = timeTickOffset;
 };
 
 BrowserBridge.prototype.receivedProxySettings = function(proxySettings) {
   this.dispatchToObserversFromPoll_(
       this.proxySettingsObservers_, 'onProxySettingsChanged', proxySettings);
 };
 
 BrowserBridge.prototype.receivedBadProxies = function(badProxies) {
@@ skipping 95 matching lines @@
   // If the data hasn't changed since last time, no need to notify observers.
   if (prevData && JSON.stringify(prevData) == JSON.stringify(data))
     return;
 
   this.prevPollData_[method] = data;
 
   // Ok, notify the observers of the change.
   for (var i = 0; i < observerList.length; ++i)
     observerList[i][method](data);
 };