Make profiling lock global rather than per Target

Source/devtools/front_end/profiler/ProfilesPanel.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 220 matching lines @@
     {
         return this._profileBeingRecorded;
     },
 
     /**
      * @param {?WebInspector.ProfileHeader} profile
      */
     setProfileBeingRecorded: function(profile)
     {
         if (this._profileBeingRecorded && this._profileBeingRecorded.target())
-            this._profileBeingRecorded.target().profilingLock.release();
+            WebInspector.profilingLock.release();
         if (profile && profile.target())
-            profile.target().profilingLock.acquire();
+            WebInspector.profilingLock.acquire();
         this._profileBeingRecorded = profile;
     },
 
     profileBeingRecordedRemoved: function()
     {
     },
 
     _reset: function()
     {
         var profiles = this._profiles.slice(0);
@@ skipping 179 matching lines @@
         this._fromFile = true;
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 /**
  * @constructor
  * @implements {WebInspector.Searchable}
  * @implements {WebInspector.ProfileType.DataDisplayDelegate}
- * @implements {WebInspector.TargetManager.Observer}
  * @extends {WebInspector.PanelWithSidebarTree}
  */
 WebInspector.ProfilesPanel = function()
 {
     WebInspector.PanelWithSidebarTree.call(this, "profiles");
     this.registerRequiredCSS("panelEnablerView.css");
     this.registerRequiredCSS("heapProfiler.css");
     this.registerRequiredCSS("profilesPanel.css");
 
     this._searchableView = new WebInspector.SearchableView(this);
@@ skipping 40 matching lines @@
     for (var i = 0; i < types.length; i++)
         this._registerProfileType(types[i]);
     this._launcherView.restoreSelectedProfileType();
     this.profilesItemTreeElement.select();
     this._showLauncherView();
 
     this._createFileSelectorElement();
     this.element.addEventListener("contextmenu", this._handleContextMenuEvent.bind(this), true);
     this._registerShortcuts();
 
-    WebInspector.targetManager.observeTargets(this);
+    WebInspector.profilingLock.addEventListener(WebInspector.Lock.Events.StateChanged, this._onProfilingStateChanged, this);
 }
 
 WebInspector.ProfilesPanel.prototype = {
     /**
-     * @param {!WebInspector.Target} target
-     */
-    targetAdded: function(target)
-    {
-        target.profilingLock.addEventListener(WebInspector.Lock.Events.StateChanged, this._onProfilingStateChanged, this);
-    },
-
-    /**
-     * @param {!WebInspector.Target} target
-     */
-    targetRemoved: function(target)
-    {
-        target.profilingLock.removeEventListener(WebInspector.Lock.Events.StateChanged, this._onProfilingStateChanged, this);
-    },
-
-    /**
      * @return {!WebInspector.SearchableView}
      */
     searchableView: function()
     {
         return this._searchableView;
     },
 
     _createFileSelectorElement: function()
     {
         if (this._fileSelectorElement)
@@ skipping 75 matching lines @@
         this._updateRecordButton(this.recordButton.toggled);
     },
 
     /**
      * @param {boolean} toggled
      */
     _updateRecordButton: function(toggled)
     {
         if (WebInspector.experimentsSettings.disableAgentsWhenProfile.isEnabled())
             WebInspector.inspectorView.setCurrentPanelLocked(toggled);
-        var isAcquiredInSomeTarget = WebInspector.targetManager.targets().some(function(target) { return target.profilingLock.isAcquired(); });
+        var isAcquiredInSomeTarget = WebInspector.profilingLock.isAcquired();
         var enable = toggled || !isAcquiredInSomeTarget;
         this.recordButton.setEnabled(enable);
         this.recordButton.toggled = toggled;
         if (enable)
             this.recordButton.title = this._selectedProfileType ? this._selectedProfileType.buttonTooltip : "";
         else
             this.recordButton.title = WebInspector.anotherProfilerActiveLabel();
         if (this._selectedProfileType)
             this._launcherView.updateProfileType(this._selectedProfileType, enable);
     },
@@ skipping 673 matching lines @@
         this._panel._showLauncherView();
     },
 
     get selectable()
     {
         return true;
     },
 
     __proto__: WebInspector.SidebarTreeElement.prototype
 }