Make hiding an extension action cause it to go to the overflow menu

chrome/browser/extensions/extension_context_menu_model.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_EXTENSIONS_EXTENSION_CONTEXT_MENU_MODEL_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_CONTEXT_MENU_MODEL_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 17 matching lines @@
 // The context menu model for extension icons.
 class ExtensionContextMenuModel
     : public base::RefCounted<ExtensionContextMenuModel>,
       public ui::SimpleMenuModel,
       public ui::SimpleMenuModel::Delegate,
       public extensions::ExtensionUninstallDialog::Delegate {
  public:
   enum MenuEntries {
     NAME = 0,
     CONFIGURE,
-    HIDE,
+    TOGGLE_VISIBILITY,
     UNINSTALL,
     MANAGE,
     INSPECT_POPUP,
     ALWAYS_RUN
   };
 
   // Type of action the extension icon represents.
   enum ActionType { NO_ACTION = 0, BROWSER_ACTION, PAGE_ACTION };
 
   // Delegate to handle showing an ExtensionAction popup.
@@ skipping 74 matching lines @@
   // Menu matcher for context menu items specified by the extension.
   scoped_ptr<extensions::ContextMenuMatcher> extension_items_;
 
   // Number of extension items in this menu. Used for testing.
   int extension_items_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionContextMenuModel);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_CONTEXT_MENU_MODEL_H_