[DevTools] Remove Console.messagesCleared event.

third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 132 matching lines @@
 
     this._consoleHistoryAutocompleteSetting = WebInspector.moduleSetting("consoleHistoryAutocomplete");
     this._consoleHistoryAutocompleteSetting.addChangeListener(this._consoleHistoryAutocompleteChanged, this);
     this._consoleHistoryAutocompleteChanged();
 
     this._updateFilterStatus();
     WebInspector.moduleSetting("consoleTimestampsEnabled").addChangeListener(this._consoleTimestampsSettingChanged, this);
 
     this._registerWithMessageSink();
     WebInspector.targetManager.observeTargets(this);
-    WebInspector.targetManager.addEventListener(WebInspector.TargetManager.Events.MainFrameNavigated, this._onMainFrameNavigated, this);
 
     this._initConsoleMessages();
 
     WebInspector.context.addFlavorChangeListener(WebInspector.ExecutionContext, this._executionContextChanged, this);
 }
 
 WebInspector.ConsoleView.persistedHistorySize = 300;
 
 WebInspector.ConsoleView.prototype = {
     /**
      * @return {!WebInspector.SearchableView}
      */
     searchableView: function()
     {
         return this._searchableView;
     },
 
     _clearHistory: function()
     {
         this._consoleHistorySetting.set([]);
         this._prompt.setHistoryData([]);
     },
 
     _consoleHistoryAutocompleteChanged: function()
     {
         this._prompt.setAddCompletionsFromHistory(this._consoleHistoryAutocompleteSetting.get());
     },
 
-    /**
-     * @param {!WebInspector.Event} event
-     */
-    _onMainFrameNavigated: function(event)
-    {
-        if (!WebInspector.moduleSetting("preserveConsoleLog").get())
-            return;
-        var frame = /** @type {!WebInspector.ResourceTreeFrame} */(event.data);
-        WebInspector.console.log(WebInspector.UIString("Navigated to %s", frame.url));
-    },
-
     _initConsoleMessages: function()
     {
         var mainTarget = WebInspector.targetManager.mainTarget();
         if (!mainTarget || !mainTarget.resourceTreeModel.cachedResourcesLoaded()) {
             WebInspector.targetManager.addModelListener(WebInspector.ResourceTreeModel, WebInspector.ResourceTreeModel.EventTypes.CachedResourcesLoaded, this._onResourceTreeModelLoaded, this);
             return;
         }
         this._fetchMultitargetMessages();
     },
 
@@ skipping 1139 matching lines @@
             return true;
         }
         return false;
     }
 }
 
 /**
 * @typedef {{messageIndex: number, matchIndex: number}}
 */
 WebInspector.ConsoleView.RegexMatchRange;