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

chrome/browser/gtk/bookmark_tree_model.h

 // 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.
 
 #ifndef CHROME_BROWSER_GTK_BOOKMARK_TREE_MODEL_H_
 #define CHROME_BROWSER_GTK_BOOKMARK_TREE_MODEL_H_
 
 #include <string>
+#include "base/basictypes.h"
 
 class BookmarkModel;
 class BookmarkNode;
 
 typedef struct _GtkTreeIter GtkTreeIter;
 typedef struct _GtkTreeModel GtkTreeModel;
 typedef struct _GtkTreeStore GtkTreeStore;
 typedef struct _GdkPixbuf GdkPixbuf;
 
 namespace bookmark_utils {
@@ skipping 10 matching lines @@
 
 // Copies the folders in the model's root node into a GtkTreeStore. We
 // want the user to be able to modify the tree of folders, but to be able to
 // click Cancel and discard their modifications. |selected_id| is the
 // node->id() of the BookmarkNode that should selected on
 // node->screen. |selected_iter| is an out value that points to the
 // node->representation of the node associated with |selected_id| in |store|.
 // |recursive| indicates whether to recurse into sub-directories (if false,
 // the tree store will effectively be a list). |only_folders| indicates whether
 // to include bookmarks in the tree, or to only show folders.
-void AddToTreeStore(BookmarkModel* model, int selected_id,
+void AddToTreeStore(BookmarkModel* model, int64 selected_id,
                     GtkTreeStore* store, GtkTreeIter* selected_iter);
 
 // As above, but inserts just the tree rooted at |node| as a child of |parent|.
 // If |parent| is NULL, add it at the top level.
-void AddToTreeStoreAt(const BookmarkNode* node, int selected_id,
+void AddToTreeStoreAt(const BookmarkNode* node, int64 selected_id,
                       GtkTreeStore* store, GtkTreeIter* selected_iter,
                       GtkTreeIter* parent);
 
 // Commits changes to a GtkTreeStore built from BuildTreeStoreFrom() back
 // into the BookmarkModel it was generated from.  Returns the BookmarkNode that
 // represented by |selected|.
 const BookmarkNode* CommitTreeStoreDifferencesBetween(
     BookmarkModel* model, GtkTreeStore* tree_store,
     GtkTreeIter* selected);
 
 // Returns the id field of the row pointed to by |iter|.
-int GetIdFromTreeIter(GtkTreeModel* model, GtkTreeIter* iter);
+int64 GetIdFromTreeIter(GtkTreeModel* model, GtkTreeIter* iter);
 
 // Returns the title field of the row pointed to by |iter|.
 std::wstring GetTitleFromTreeIter(GtkTreeModel* model, GtkTreeIter* iter);
 
 }  // namespace bookmark_utils
 
 #endif  // CHROME_BROWSER_GTK_BOOKMARK_TREE_MODEL_H_