[DevTools] Turn ConsoleModel into a singleton

third_party/WebKit/Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * 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
@@ skipping 147 matching lines @@
 
     this._addMainEventListeners(document);
 
     var canDock = !!Runtime.queryParam('can_dock');
     UI.zoomManager = new UI.ZoomManager(window, InspectorFrontendHost);
     UI.inspectorView = UI.InspectorView.instance();
     UI.ContextMenu.initialize();
     UI.ContextMenu.installHandler(document);
     UI.Tooltip.installHandler(document);
     Components.dockController = new Components.DockController(canDock);
-    SDK.multitargetConsoleModel = new SDK.MultitargetConsoleModel();
+    SDK.consoleModel = new SDK.ConsoleModel();
     SDK.multitargetNetworkManager = new SDK.MultitargetNetworkManager();
     SDK.targetManager.addEventListener(
         SDK.TargetManager.Events.SuspendStateChanged, this._onSuspendStateChanged.bind(this));
 
     UI.shortcutsScreen = new UI.ShortcutsScreen();
     // set order of some sections explicitly
     UI.shortcutsScreen.section(Common.UIString('Elements Panel'));
     UI.shortcutsScreen.section(Common.UIString('Styles Pane'));
     UI.shortcutsScreen.section(Common.UIString('Debugger'));
     UI.shortcutsScreen.section(Common.UIString('Console'));
@@ skipping 416 matching lines @@
 
     this._counter = createElement('div');
     this._counter.addEventListener('click', Common.console.show.bind(Common.console), false);
     this._toolbarItem = new UI.ToolbarItem(this._counter);
     var shadowRoot = UI.createShadowRootWithCoreStyles(this._counter, 'main/errorWarningCounter.css');
 
     this._errors = this._createItem(shadowRoot, 'smallicon-error');
     this._warnings = this._createItem(shadowRoot, 'smallicon-warning');
     this._titles = [];
 
-    SDK.multitargetConsoleModel.addEventListener(SDK.ConsoleModel.Events.ConsoleCleared, this._update, this);
-    SDK.multitargetConsoleModel.addEventListener(SDK.ConsoleModel.Events.MessageAdded, this._update, this);
-    SDK.multitargetConsoleModel.addEventListener(SDK.ConsoleModel.Events.MessageUpdated, this._update, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.ConsoleCleared, this._update, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.MessageAdded, this._update, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.MessageUpdated, this._update, this);
     this._update();
   }
 
   /**
    * @param {!Node} shadowRoot
    * @param {string} iconType
    * @return {!{item: !Element, text: !Element}}
    */
   _createItem(shadowRoot, iconType) {
     var item = createElementWithClass('span', 'counter-item');
@@ skipping 12 matching lines @@
    */
   _updateItem(item, count, first, title) {
     item.item.classList.toggle('hidden', !count);
     item.item.classList.toggle('counter-item-first', first);
     item.text.textContent = count;
     if (count)
       this._titles.push(title);
   }
 
   _update() {
-    var errors = SDK.multitargetConsoleModel.errors();
-    var warnings = SDK.multitargetConsoleModel.warnings();
+    var errors = SDK.consoleModel.errors();
+    var warnings = SDK.consoleModel.warnings();
 
     this._titles = [];
     this._toolbarItem.setVisible(!!(errors || warnings));
     this._updateItem(this._errors, errors, false, Common.UIString(errors === 1 ? '%d error' : '%d errors', errors));
     this._updateItem(
         this._warnings, warnings, !errors, Common.UIString(warnings === 1 ? '%d warning' : '%d warnings', warnings));
     this._counter.title = this._titles.join(', ');
     UI.inspectorView.toolbarItemResized();
   }
 
@@ skipping 300 matching lines @@
    * @override
    * @return {?Element}
    */
   settingElement() {
     return UI.SettingsUI.createSettingCheckbox(
         Common.UIString('Show rulers'), Common.moduleSetting('showMetricsRulers'));
   }
 };
 
 new Main.Main();