DevTools: introduce multitarget model listeners

Source/devtools/front_end/profiler/CPUProfileView.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 472 matching lines @@
 
         this.refresh();
     },
 
     __proto__: WebInspector.VBox.prototype
 }
 
 /**
  * @constructor
  * @extends {WebInspector.ProfileType}
- * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.CPUProfileType = function()
 {
     WebInspector.ProfileType.call(this, WebInspector.CPUProfileType.TypeId, WebInspector.UIString("Collect JavaScript CPU Profile"));
     this._recording = false;
 
     this._nextAnonymousConsoleProfileNumber = 1;
     this._anonymousConsoleProfileIdToTitle = {};
 
     WebInspector.CPUProfileType.instance = this;
-    WebInspector.targetManager.observeTargets(this);
+    WebInspector.targetManager.addModelListener(WebInspector.CPUProfilerModel, WebInspector.CPUProfilerModel.EventTypes.ConsoleProfileStarted, this._consoleProfileStarted, this);
+    WebInspector.targetManager.addModelListener(WebInspector.CPUProfilerModel, WebInspector.CPUProfilerModel.EventTypes.ConsoleProfileFinished, this._consoleProfileFinished, this);
 }
 
 WebInspector.CPUProfileType.TypeId = "CPU";
 
 WebInspector.CPUProfileType.prototype = {
     /**
-     * @param {!WebInspector.Target} target
-     */
-    targetAdded: function(target)
-    {
-        target.cpuProfilerModel.addEventListener(WebInspector.CPUProfilerModel.EventTypes.ConsoleProfileStarted, this._consoleProfileStarted, this);
-        target.cpuProfilerModel.addEventListener(WebInspector.CPUProfilerModel.EventTypes.ConsoleProfileFinished, this._consoleProfileFinished, this);
-    },
-
-    /**
-     * @param {!WebInspector.Target} target
-     */
-    targetRemoved: function(target)
-    {
-        target.cpuProfilerModel.removeEventListener(WebInspector.CPUProfilerModel.EventTypes.ConsoleProfileStarted, this._consoleProfileStarted, this);
-        target.cpuProfilerModel.removeEventListener(WebInspector.CPUProfilerModel.EventTypes.ConsoleProfileFinished, this._consoleProfileFinished, this);
-    },
-
-    /**
      * @override
      * @return {string}
      */
     fileExtension: function()
     {
         return ".cpuprofile";
     },
 
     get buttonTooltip()
     {
@@ skipping 366 matching lines @@
     _notifyTempFileReady: function()
     {
         if (this._onTempFileReady) {
             this._onTempFileReady();
             this._onTempFileReady = null;
         }
     },
 
     __proto__: WebInspector.ProfileHeader.prototype
 }