Small cleanup for ChromeBrowserMain:

chrome/browser/ui/gtk/chrome_browser_main_extra_parts_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/chrome_browser_main_extra_parts_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/command_line.h"
 #include "chrome/browser/chrome_browser_main.h"
-#include "chrome/browser/toolkit_extra_parts.h"
 #include "chrome/common/chrome_switches.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/gtk_util.h"
 
 ChromeBrowserMainExtraPartsGtk::ChromeBrowserMainExtraPartsGtk() {
 }
 
@@ skipping 50 matching lines @@
       static_cast<GtkDialogFlags>(0),
       GTK_MESSAGE_ERROR,
       GTK_BUTTONS_CLOSE,
       "%s",
       message);
 
   gtk_window_set_title(GTK_WINDOW(dialog), message);
   gtk_dialog_run(GTK_DIALOG(dialog));
   gtk_widget_destroy(dialog);
 }
-
-namespace chrome {
-
-void AddGtkToolkitExtraParts(ChromeBrowserMainParts* main_parts) {
-  main_parts->AddParts(new ChromeBrowserMainExtraPartsGtk());
-}
-
-}  // namespace chrome