[DevTools] Expose left and right toolbar in TabbedPane.

third_party/WebKit/Source/devtools/front_end/ui/View.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @interface
  */
 WebInspector.View = function()
 {
 }
@@ skipping 596 matching lines @@
     tabbedPane: function()
     {
         return this._tabbedPane;
     },
 
     /**
      * @override
      */
     enableMoreTabsButton: function()
     {
-        var toolbar = new WebInspector.Toolbar("drawer-toolbar");
-        toolbar.appendToolbarItem(new WebInspector.ToolbarMenuButton(this._appendTabsToMenu.bind(this)));
-        this._tabbedPane.insertBeforeTabStrip(toolbar.element);
+        this._tabbedPane.leftToolbar().appendToolbarItem(new WebInspector.ToolbarMenuButton(this._appendTabsToMenu.bind(this)));
         this._tabbedPane.disableOverflowMenu();
     },
 
     /**
      * @override
      * @param {string} locationName
      */
     appendApplicableItems: function(locationName)
     {
         for (var view of this._manager._viewsForLocation(locationName)) {
@@ skipping 184 matching lines @@
             this.appendView(view);
     },
 
     __proto__: WebInspector.ViewManager._Location.prototype
 }
 
 /**
  * @type {!WebInspector.ViewManager}
  */
 WebInspector.viewManager;