Changes the tab menu to use pin and unpin instead of a check. The mac

chrome/browser/tab_menu_model.h

Index: chrome/browser/tab_menu_model.h
diff --git a/chrome/browser/tab_menu_model.h b/chrome/browser/tab_menu_model.h
index c98731d38cae11ccb1f03bea24e4a69b04ceb381..dca49afd8f6a1038faa9b8dbaeaae6c3b80bc290 100644
--- a/chrome/browser/tab_menu_model.h
+++ b/chrome/browser/tab_menu_model.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
+// Copyright (c) 2010 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.
 
@@ -10,14 +10,16 @@
 class Browser;
 
 // A menu model that builds the contents of the tab context menu. This menu has
-// only one level (no submenus).
+// only one level (no submenus). TabMenuModel caches local state from the
+// tab (such as the pinned state). To make sure the menu reflects the real state
+// of the tab a new TabMenuModel should be created each time the menu is shown.
 class TabMenuModel : public menus::SimpleMenuModel {
  public:
-  explicit TabMenuModel(menus::SimpleMenuModel::Delegate* delegate);
+  TabMenuModel(menus::SimpleMenuModel::Delegate* delegate, bool is_pinned);
   virtual ~TabMenuModel() {}
 
  private:
-  void Build();
+  void Build(bool is_pinned);
 
   DISALLOW_COPY_AND_ASSIGN(TabMenuModel);
 };