[DevTools] Prepare to pass modified InspectorFrontendHost to inspector app.

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 18 matching lines @@
  */
 
 /**
  * @constructor
  * @implements {InspectorAgent.Dispatcher}
  * @implements {WebInspector.Console.UIDelegate}
  * @suppressGlobalPropertiesCheck
  */
 WebInspector.Main = function()
 {
-    if (!InspectorAppHost) {
-        console.error("Inspector should be embedded.");
-        return;
-    }
-    InspectorAppHost.beforeInspectorAppLoad();
     WebInspector.console.setUIDelegate(this);
     runOnWindowLoad(this._loaded.bind(this));
 }
 
 WebInspector.Main.prototype = {
     /**
      * @return {!Promise.<undefined>}
      */
     showConsole: function()
     {
@@ skipping 195 matching lines @@
 
         // It is important to kick controller lifetime after apps are instantiated.
         WebInspector.dockController.initialize();
         console.timeStamp("Main._presentUI");
         WebInspector.app.presentUI(document);
 
         if (!WebInspector.isWorkerFrontend())
             WebInspector.inspectElementModeController = new WebInspector.InspectElementModeController();
         this._createGlobalStatusBarItems();
 
-        InspectorAppHost.afterInspectorAppLoad();
         InspectorFrontendHost.loadCompleted();
 
         // Give UI cycles to repaint, then proceed with creating connection.
         setTimeout(this._createConnection.bind(this), 0);
     },
 
     _createConnection: function()
     {
         console.timeStamp("Main._createConnection");
         InspectorBackend.loadFromJSONIfNeeded("../protocol.json");
@@ skipping 645 matching lines @@
     p.classList.add("help-section");
     p.textContent = WebInspector.UIString("Inspected worker has terminated. Once it restarts we will attach to it automatically.");
 }
 
 WebInspector.WorkerTerminatedScreen.prototype = {
 
     __proto__: WebInspector.HelpScreen.prototype
 }
 
 new WebInspector.Main();