DevTools: make extension server a part of core, panels' code should depend on it.

Source/devtools/front_end/sources/SourcesPanel.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2011 Google 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
@@ skipping 90 matching lines @@
     WebInspector.context.addFlavorChangeListener(WebInspector.Target, this._onCurrentTargetChanged, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerWasEnabled, this._debuggerWasEnabled, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerWasDisabled, this._debuggerReset, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerPaused, this._debuggerPaused, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.DebuggerResumed, this._debuggerResumed, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.CallFrameSelected, this._callFrameSelected, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.ConsoleCommandEvaluatedInSelectedCallFrame, this._consoleCommandEvaluatedInSelectedCallFrame, this);
     WebInspector.targetManager.addModelListener(WebInspector.DebuggerModel, WebInspector.DebuggerModel.Events.GlobalObjectCleared, this._debuggerReset, this);
     WebInspector.targetManager.observeTargets(this);
     new WebInspector.WorkspaceMappingTip(this, this._workspace);
+    WebInspector.extensionServer.addEventListener(WebInspector.ExtensionServer.Events.SidebarPaneAdded, this._extensionSidebarPaneAdded, this);
 }
 
 WebInspector.SourcesPanel.minToolbarWidth = 215;
 
 WebInspector.SourcesPanel.prototype = {
     /**
      * @param {?WebInspector.Target} target
      */
     _setTarget: function(target)
     {
@@ skipping 941 matching lines @@
             sidebarPaneStack.addPane(this.sidebarPanes.eventListenerBreakpoints);
 
             var tabbedPane = new WebInspector.SidebarTabbedPane();
             tabbedPane.show(splitView.sidebarElement());
             tabbedPane.addPane(this.sidebarPanes.scopechain);
             tabbedPane.addPane(this.sidebarPanes.watchExpressions);
             this._extensionSidebarPanesContainer = tabbedPane;
 
             this.sidebarPaneView = splitView;
         }
-        for (var i = 0; i < this._extensionSidebarPanes.length; ++i)
-            this._extensionSidebarPanesContainer.addPane(this._extensionSidebarPanes[i]);
+
+        var extensionSidebarPanes = WebInspector.extensionServer.sidebarPanes();
+        for (var i = 0; i < extensionSidebarPanes.length; ++i)
+            this._addExtensionSidebarPane(extensionSidebarPanes[i]);
 
         this.sidebarPaneView.show(this._splitView.sidebarElement());
         this.sidebarPanes.threads.expand();
         this.sidebarPanes.scopechain.expand();
         this.sidebarPanes.jsBreakpoints.expand();
         this.sidebarPanes.callstack.expand();
         this._sidebarPaneStack = sidebarPaneStack;
         this._updateTargetsSidebarVisibility();
         if (WebInspector.settings.watchExpressions.get().length > 0)
             this.sidebarPanes.watchExpressions.expand();
     },
 
     /**
-     * @param {string} id
-     * @param {!WebInspector.SidebarPane} pane
+     * @param {!WebInspector.Event} event
      */
-    addExtensionSidebarPane: function(id, pane)
+    _extensionSidebarPaneAdded: function(event)
     {
-        this._extensionSidebarPanes.push(pane);
-        this._extensionSidebarPanesContainer.addPane(pane);
-        this.setHideOnDetach();
+        var pane = /** @type {!WebInspector.ExtensionSidebarPane} */ (event.data);
+        this._addExtensionSidebarPane(pane);
     },
 
     /**
+     * @param {!WebInspector.ExtensionSidebarPane} pane
+     */
+    _addExtensionSidebarPane: function(pane)
+    {
+        if (pane.panelName() === this.name) {
+            this.setHideOnDetach();
+            this._extensionSidebarPanesContainer.addPane(pane);
+        }
+    },
+
+    /**
      * @return {!WebInspector.SourcesView}
      */
     sourcesView: function()
     {
         return this._sourcesView;
     },
 
     /**
      * @param {!WebInspector.Target} target
      */
@@ skipping 296 matching lines @@
 
 WebInspector.SourcesPanelFactory.prototype = {
     /**
      * @return {!WebInspector.Panel}
      */
     createPanel: function()
     {
         return WebInspector.SourcesPanel.instance();
     }
 }