Couple more wrench menu issues. The patch I sent around a couple of

chrome/browser/ui/views/wrench_menu.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/views/wrench_menu.h"
 
 #include <cmath>
 
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
@@ skipping 675 matching lines @@
       MenuDelegate::GetDragOperations(sender);
 }
 
 int WrenchMenu::GetMaxWidthForMenu(MenuItemView* menu) {
   return is_bookmark_command(menu->GetCommand()) ?
       bookmark_menu_delegate_->GetMaxWidthForMenu(menu) :
       MenuDelegate::GetMaxWidthForMenu(menu);
 }
 
 bool WrenchMenu::IsItemChecked(int id) const {
-  if (!is_bookmark_command(id))
+  if (is_bookmark_command(id))
     return false;
 
   const Entry& entry = id_to_entry_.find(id)->second;
   return entry.first->IsItemCheckedAt(entry.second);
 }
 
 bool WrenchMenu::IsCommandEnabled(int id) const {
   if (is_bookmark_command(id))
     return true;
 
@@ skipping 48 matching lines @@
                                     menu_accelerator.modifiers());
   return true;
 }
 
 void WrenchMenu::WillShowMenu(MenuItemView* menu) {
   if (menu == bookmark_menu_)
     CreateBookmarkMenu();
 }
 
 void WrenchMenu::BookmarkModelChanged() {
-  root_->Cancel();
+  DCHECK(bookmark_menu_delegate_.get());
+  if (!bookmark_menu_delegate_->is_mutating_model())
+    root_->Cancel();
 }
 
 WrenchMenu::~WrenchMenu() {
 }
 
 void WrenchMenu::PopulateMenu(MenuItemView* parent,
                               MenuModel* model,
                               int* next_id) {
   int index_offset = model->GetFirstItemIndex(NULL);
   for (int i = 0, max = model->GetItemCount(); i < max; ++i) {
@@ skipping 79 matching lines @@
   model->AddObserver(this);
   bookmark_menu_delegate_.reset(
       new BookmarkMenuDelegate(browser_->profile(),
                                NULL,
                                browser_->window()->GetNativeHandle(),
                                first_bookmark_command_id_));
   bookmark_menu_delegate_->Init(
       this, bookmark_menu_, model->GetBookmarkBarNode(), 0,
       BookmarkMenuDelegate::SHOW_OTHER_FOLDER);
 }