Revert "[DevTools] Make log agent optional."

third_party/WebKit/Source/devtools/front_end/sdk/TargetManager.js

 /*
  * Copyright 2014 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.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
  */
@@ skipping 172 matching lines @@
      * @param {string} name
      * @param {number} capabilitiesMask
      * @param {!InspectorBackendClass.Connection} connection
      * @param {?WebInspector.Target} parentTarget
      * @return {!WebInspector.Target}
      */
     createTarget: function(name, capabilitiesMask, connection, parentTarget)
     {
         var target = new WebInspector.Target(this, name, capabilitiesMask, connection, parentTarget);
 
-        var logAgent = target.hasBrowserCapability() ? target.logAgent() : null;
-
         /** @type {!WebInspector.ConsoleModel} */
-        target.consoleModel = new WebInspector.ConsoleModel(target, logAgent);
+        target.consoleModel = new WebInspector.ConsoleModel(target);
         /** @type {!WebInspector.RuntimeModel} */
         target.runtimeModel = new WebInspector.RuntimeModel(target);
 
         var networkManager = null;
         var resourceTreeModel = null;
         if (target.hasNetworkCapability())
             networkManager = new WebInspector.NetworkManager(target);
         if (networkManager && target.hasDOMCapability()) {
             resourceTreeModel = new WebInspector.ResourceTreeModel(target, networkManager, WebInspector.SecurityOriginManager.fromTarget(target));
             new WebInspector.NetworkLog(target, resourceTreeModel, networkManager);
@@ skipping 171 matching lines @@
     /**
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target) { },
 }
 
 /**
  * @type {!WebInspector.TargetManager}
  */
 WebInspector.targetManager = new WebInspector.TargetManager();