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

chrome/browser/ui/views/bookmarks/bookmark_bar_view.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/bookmarks/bookmark_bar_view.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <vector>
@@ skipping 1129 matching lines @@
         model_->GetBookmarkBarNode()->GetChild(bookmark_button_index);
     nodes.push_back(node);
     parent = node->parent();
   } else {
     parent = model_->GetBookmarkBarNode();
     nodes.push_back(parent);
   }
   // Browser may be null during testing.
   PageNavigator* navigator =
       browser() ? browser()->GetSelectedTabContents() : NULL;
+  bool close_on_remove =
+      (parent == profile_->GetBookmarkModel()->other_node() &&
+       parent->child_count() == 1);
   BookmarkContextMenu controller(GetWindow()->GetNativeWindow(), GetProfile(),
-                                 navigator, parent, nodes);
+                                 navigator, parent, nodes, close_on_remove);
   controller.RunMenuAt(p);
 }
 
 void BookmarkBarView::Observe(NotificationType type,
                               const NotificationSource& source,
                               const NotificationDetails& details) {
   DCHECK(profile_);
   switch (type.value) {
     case NotificationType::BOOKMARK_BAR_VISIBILITY_PREF_CHANGED:
       if (IsAlwaysShown()) {
@@ skipping 594 matching lines @@
       prefsize.set_height(kBarHeight +
           static_cast<int>((kNewtabBarHeight - kBarHeight) *
               (1 - size_animation_->GetCurrentValue())));
     } else {
       prefsize.set_height(
           static_cast<int>(kBarHeight * size_animation_->GetCurrentValue()));
     }
   }
   return prefsize;
 }