[Extensions UI Views] Adjust the wrench menu actions for items added/removed

chrome/browser/ui/views/toolbar/extension_toolbar_menu_view.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TOOLBAR_EXTENSION_TOOLBAR_MENU_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_EXTENSION_TOOLBAR_MENU_VIEW_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar_observer.h"
 #include "ui/views/controls/scroll_view.h"
 
 class AppMenu;
 class Browser;
 class BrowserActionsContainer;
 class ToolbarActionsBar;
 
+namespace views {
+class MenuItemView;
+}
+
 // ExtensionToolbarMenuView is the view containing the extension actions that
 // overflowed from the BrowserActionsContainer, and is contained in and owned by
 // the app menu.
 // In the event that the app menu was opened for an Extension Action drag-and-
 // drop, this will also close the menu upon completion.
 class ExtensionToolbarMenuView : public views::ScrollView,
                                  public ToolbarActionsBarObserver {
  public:
-  ExtensionToolbarMenuView(Browser* browser, AppMenu* app_menu);
+  ExtensionToolbarMenuView(Browser* browser,
+                           AppMenu* app_menu,
+                           views::MenuItemView* menu_item);
   ~ExtensionToolbarMenuView() override;
 
   // Returns whether the app menu should show this view. This is true when
   // either |container_| has icons to display or the menu was opened for a drag-
   // and-drop operation.
   bool ShouldShow();
 
   // views::View:
   gfx::Size GetPreferredSize() const override;
   int GetHeightForWidth(int width) const override;
@@ skipping 21 matching lines @@
 
   // Returns the padding before the BrowserActionsContainer in the menu.
   int start_padding() const;
 
   // The associated browser.
   Browser* browser_;
 
   // The app menu, which may need to be closed after a drag-and-drop.
   AppMenu* app_menu_;
 
+  // The MenuItemView this view is contained within.
+  views::MenuItemView* menu_item_;
+
   // The overflow BrowserActionsContainer which is nested in this view.
   BrowserActionsContainer* container_;
 
   // The maximum allowed height for the view.
   int max_height_;
 
   ScopedObserver<ToolbarActionsBar, ToolbarActionsBarObserver>
       toolbar_actions_bar_observer_;
 
   base::WeakPtrFactory<ExtensionToolbarMenuView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionToolbarMenuView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_EXTENSION_TOOLBAR_MENU_VIEW_H_