Makes bookmark menu lazily create menus and removes limits

chrome/browser/ui/views/bookmarks/bookmark_menu_controller_views.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_BOOKMARKS_BOOKMARK_MENU_CONTROLLER_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_MENU_CONTROLLER_VIEWS_H_
 
 #include <set>
 
 #include "base/compiler_specific.h"
@@ skipping 94 matching lines @@
   bool CanDrag(views::MenuItemView* menu) override;
   void WriteDragData(views::MenuItemView* sender,
                      ui::OSExchangeData* data) override;
   int GetDragOperations(views::MenuItemView* sender) override;
   views::MenuItemView* GetSiblingMenu(views::MenuItemView* menu,
                                       const gfx::Point& screen_point,
                                       views::MenuAnchorPosition* anchor,
                                       bool* has_mnemonics,
                                       views::MenuButton** button) override;
   int GetMaxWidthForMenu(views::MenuItemView* view) override;
+  void WillShowMenu(views::MenuItemView* menu) override;
 
   // bookmarks::BaseBookmarkModelObserver:
   void BookmarkModelChanged() override;
 
  private:
   // BookmarkMenuController deletes itself as necessary.
   ~BookmarkMenuController() override;
 
   scoped_ptr<views::MenuRunner> menu_runner_;
 
@@ skipping 13 matching lines @@
 
   // The bookmark bar. This is only non-null if we're showing a menu item for a
   // folder on the bookmark bar and not for drop, or if the BookmarkBarView has
   // been destroyed before the menu.
   BookmarkBarView* bookmark_bar_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkMenuController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_MENU_CONTROLLER_VIEWS_H_