[DevTools] Turn ConsoleModel into a singleton

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 164 matching lines @@
   /**
    * @return {!Console.ConsoleView}
    */
   static instance() {
     if (!Console.ConsoleView._instance)
       Console.ConsoleView._instance = new Console.ConsoleView();
     return Console.ConsoleView._instance;
   }
 
   static clearConsole() {
-    SDK.multitargetConsoleModel.requestClearMessages();
+    SDK.consoleModel.requestClearMessages();
   }
 
   /**
    * @return {!UI.SearchableView}
    */
   searchableView() {
     return this._searchableView;
   }
 
   _clearHistory() {
@@ skipping 22 matching lines @@
    * @param {!Common.Event} event
    */
   _onResourceTreeModelLoaded(event) {
     var resourceTreeModel = /** @type {!SDK.ResourceTreeModel} */ (event.data);
     resourceTreeModel.removeEventListener(
         SDK.ResourceTreeModel.Events.CachedResourcesLoaded, this._onResourceTreeModelLoaded, this);
     this._fetchMultitargetMessages();
   }
 
   _fetchMultitargetMessages() {
-    SDK.multitargetConsoleModel.addEventListener(SDK.ConsoleModel.Events.ConsoleCleared, this._consoleCleared, this);
-    SDK.multitargetConsoleModel.addEventListener(
-        SDK.ConsoleModel.Events.MessageAdded, this._onConsoleMessageAdded, this);
-    SDK.multitargetConsoleModel.addEventListener(
-        SDK.ConsoleModel.Events.MessageUpdated, this._onConsoleMessageUpdated, this);
-    SDK.multitargetConsoleModel.addEventListener(
-        SDK.ConsoleModel.Events.CommandEvaluated, this._commandEvaluated, this);
-    SDK.multitargetConsoleModel.messages().forEach(this._addConsoleMessage, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.ConsoleCleared, this._consoleCleared, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.MessageAdded, this._onConsoleMessageAdded, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.MessageUpdated, this._onConsoleMessageUpdated, this);
+    SDK.consoleModel.addEventListener(SDK.ConsoleModel.Events.CommandEvaluated, this._commandEvaluated, this);
+    SDK.consoleModel.messages().forEach(this._addConsoleMessage, this);
     this._viewport.invalidate();
   }
 
   /**
    * @override
    * @return {number}
    */
   itemCount() {
     return this._visibleViewMessages.length;
   }
@@ skipping 552 matching lines @@
     var message;
     if (!exceptionDetails) {
       message = new SDK.ConsoleMessage(
           result.target(), SDK.ConsoleMessage.MessageSource.JS, level, '', SDK.ConsoleMessage.MessageType.Result,
           undefined, undefined, undefined, undefined, [result]);
     } else {
       message = SDK.ConsoleMessage.fromException(
           result.target(), exceptionDetails, SDK.ConsoleMessage.MessageType.Result, undefined, undefined);
     }
     message.setOriginatingMessage(originatingConsoleMessage);
-    SDK.multitargetConsoleModel.addMessage(message);
+    SDK.consoleModel.addMessage(message);
   }
 
   /**
    * @param {!Common.Event} event
    */
   _commandEvaluated(event) {
     var data =
         /** @type {{result: ?SDK.RemoteObject, text: string, commandMessage: !SDK.ConsoleMessage, exceptionDetails: (!Protocol.Runtime.ExceptionDetails|undefined)}} */
         (event.data);
     this._prompt.history().pushHistoryItem(data.text);
@@ skipping 499 matching lines @@
         return true;
     }
     return false;
   }
 };
 
 /**
  * @typedef {{messageIndex: number, matchIndex: number}}
  */
 Console.ConsoleView.RegexMatchRange;