fix a memory leak and add a suppression

chrome/browser/ui/gtk/bookmarks/bookmark_editor_gtk.cc

 // Copyright (c) 2012 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/gtk/bookmarks/bookmark_editor_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <set>
 
@@ skipping 556 matching lines @@
   // Remove the folders that were removed. This has to be done after all the
   // other changes have been committed.
   bookmark_utils::DeleteBookmarkFolders(bb_model_, deletes_);
 }
 
 void BookmarkEditorGtk::AddNewFolder(GtkTreeIter* parent, GtkTreeIter* child) {
   gtk_tree_store_append(tree_store_, child, parent);
   gtk_tree_store_set(
       tree_store_, child,
       bookmark_utils::FOLDER_ICON,
-      GtkThemeService::GetFolderIcon(true)->ToGdkPixbuf(),
+      GtkThemeService::GetFolderIcon(true).ToGdkPixbuf(),
       bookmark_utils::FOLDER_NAME,
           l10n_util::GetStringUTF8(IDS_BOOKMARK_EDITOR_NEW_FOLDER_NAME).c_str(),
       bookmark_utils::ITEM_ID, static_cast<int64>(0),
       bookmark_utils::IS_EDITABLE, TRUE,
       -1);
 }
 
 void BookmarkEditorGtk::OnSelectionChanged(GtkWidget* selection) {
   if (!gtk_tree_selection_get_selected(tree_selection_, NULL, NULL))
     gtk_widget_set_sensitive(new_folder_button_, FALSE);
@@ skipping 69 matching lines @@
       GTK_TREE_MODEL(tree_store_), &new_item_iter);
   gtk_tree_view_expand_to_path(GTK_TREE_VIEW(tree_view_), path);
 
   // Make the folder name editable.
   gtk_tree_view_set_cursor(GTK_TREE_VIEW(tree_view_), path,
       gtk_tree_view_get_column(GTK_TREE_VIEW(tree_view_), 0),
       TRUE);
 
   gtk_tree_path_free(path);
 }