Try the original CL "Always persist bookmark IDs" again with the fix to...

chrome/browser/gtk/bookmark_editor_gtk.cc

 // Copyright (c) 2009 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/gtk/bookmark_editor_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "app/l10n_util.h"
 #include "base/basictypes.h"
@@ skipping 134 matching lines @@
       l10n_util::GetStringUTF8(IDS_BOOMARK_EDITOR_NAME_LABEL).c_str(),
       name_entry_,
       l10n_util::GetStringUTF8(IDS_BOOMARK_EDITOR_URL_LABEL).c_str(),
       url_entry_,
       NULL);
 
   gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
 
   if (show_tree_) {
     GtkTreeIter selected_iter;
-    int selected_id = node_ ? node_->GetParent()->id() : 0;
+    int64 selected_id = node_ ? node_->GetParent()->id() : 0;
     tree_store_ = bookmark_utils::MakeFolderTreeStore();
     bookmark_utils::AddToTreeStore(bb_model_, selected_id,
                                    tree_store_, &selected_iter);
 
     GtkTreeViewColumn* icon_column =
         gtk_tree_view_column_new_with_attributes(
             "", gtk_cell_renderer_pixbuf_new(), "pixbuf",
              bookmark_utils::FOLDER_ICON, NULL);
     GtkTreeViewColumn* name_column =
         gtk_tree_view_column_new_with_attributes(
@@ skipping 155 matching lines @@
 }
 
 void BookmarkEditorGtk::AddNewGroup(GtkTreeIter* parent, GtkTreeIter* child) {
   gtk_tree_store_append(tree_store_, child, parent);
   gtk_tree_store_set(
       tree_store_, child,
       bookmark_utils::FOLDER_ICON,
       bookmark_utils::GetFolderIcon(),
       bookmark_utils::FOLDER_NAME,
       l10n_util::GetStringUTF8(IDS_BOOMARK_EDITOR_NEW_FOLDER_NAME).c_str(),
-      bookmark_utils::ITEM_ID, 0,
+      bookmark_utils::ITEM_ID, static_cast<int64>(0),
       -1);
 }
 
 // static
 void BookmarkEditorGtk::OnResponse(GtkDialog* dialog, int response_id,
                                    BookmarkEditorGtk* window) {
   if (response_id == GTK_RESPONSE_ACCEPT) {
     window->ApplyEdits();
   }
 
@@ skipping 49 matching lines @@
 
   GtkTreeIter new_item_iter;
   dialog->AddNewGroup(&iter, &new_item_iter);
 
   GtkTreePath* path = gtk_tree_model_get_path(
       GTK_TREE_MODEL(dialog->tree_store_), &new_item_iter);
   gtk_tree_view_expand_to_path(GTK_TREE_VIEW(dialog->tree_view_), path);
   gtk_tree_selection_select_path(dialog->tree_selection_, path);
   gtk_tree_path_free(path);
 }