Pop extensions out of the action overflow menu

chrome/browser/ui/views/extensions/browser_action_overflow_menu_controller.h

 // Copyright (c) 2012 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_EXTENSIONS_BROWSER_ACTION_OVERFLOW_MENU_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_BROWSER_ACTION_OVERFLOW_MENU_CONTROLLER_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 10 matching lines @@
 
 namespace views {
 class MenuRunner;
 class Widget;
 }
 
 // This class handles the overflow menu for browser actions (showing the menu,
 // drag and drop, etc). This class manages its own lifetime.
 class BrowserActionOverflowMenuController : public views::MenuDelegate {
  public:
-  // The observer is notified prior to the menu being deleted.
   class Observer {
    public:
+    // Called prior to this menu being deleted.
     virtual void NotifyMenuDeleted(
         BrowserActionOverflowMenuController* controller) = 0;
+
+    // Called when an extension action has been moved to the overflow menu.
+    virtual void NotifyActionMovedToOverflow() = 0;
   };
 
   BrowserActionOverflowMenuController(
       BrowserActionsContainer* owner,
       Browser* browser,
       views::MenuButton* menu_button,
       const std::vector<BrowserActionView*>& views,
       int start_index,
       bool for_drop);
 
@@ skipping 78 matching lines @@
   // controller. The icon updater will update the menu item view's icon when
   // the browser action view's icon has been updated.
   ScopedVector<IconUpdater> icon_updaters_;
 
   friend class base::DeleteHelper<BrowserActionOverflowMenuController>;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionOverflowMenuController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_BROWSER_ACTION_OVERFLOW_MENU_CONTROLLER_H_