Change status button menu implementation from Menu2 to MenuItemView.

views/controls/menu/menu_controller.cc

Index: views/controls/menu/menu_controller.cc
diff --git a/views/controls/menu/menu_controller.cc b/views/controls/menu/menu_controller.cc
index 2533cef20872a784db372cc6817af07bee8ec426..4fa5beeb69eea457e5e5a61db6304be7138f45fa 100644
--- a/views/controls/menu/menu_controller.cc
+++ b/views/controls/menu/menu_controller.cc
@@ -303,9 +303,14 @@ MenuItemView* MenuController::Run(gfx::NativeWindow parent,
     menu_button_ = button;
   }
 
-  // Make sure Chrome doesn't attempt to shut down while the menu is showing.
+  // Make sure Chrome doesn't attempt to shut down while the menu is
+  // showing.  We don't ref and unref the ViewsDelegate for ChromeOS
+  // because this will exit the message loop if no browsers exist,
+  // (e.g. on the login screen).
+#if !defined(OS_CHROMEOS)
   if (ViewsDelegate::views_delegate)
-    ViewsDelegate::views_delegate->AddRef();
+      ViewsDelegate::views_delegate->AddRef();
+#endif
 
   // We need to turn on nestable tasks as in some situations (pressing alt-f for
   // one) the menus are run from a task. If we don't do this and are invoked
@@ -317,8 +322,10 @@ MenuItemView* MenuController::Run(gfx::NativeWindow parent,
   loop->Run(this);
   loop->SetNestableTasksAllowed(did_allow_task_nesting);
 
+#if !defined(OS_CHROMEOS)
   if (ViewsDelegate::views_delegate)
     ViewsDelegate::views_delegate->ReleaseRef();
+#endif
 
   // Close any open menus.
   SetSelection(NULL, SELECTION_UPDATE_IMMEDIATELY | SELECTION_EXIT);