Small cleanup for ChromeBrowserMain:

chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.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/views/ash/chrome_browser_main_extra_parts_ash.h"
 
 #include "ash/session_state_delegate.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "chrome/browser/chrome_browser_main.h"
-#include "chrome/browser/toolkit_extra_parts.h"
 #include "chrome/browser/ui/ash/ash_init.h"
 #include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/browser/ui/views/ash/tab_scrubber.h"
 #include "chrome/common/chrome_switches.h"
 #include "ui/aura/env.h"
 #include "ui/gfx/screen.h"
 #include "ui/gfx/screen_type_delegate.h"
 #include "ui/keyboard/keyboard.h"
 #include "ui/keyboard/keyboard_util.h"
 #include "ui/views/widget/desktop_aura/desktop_screen.h"
@@ skipping 70 matching lines @@
   if (ash::Shell::HasInstance() &&
       !CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kAshDisableTabScrubbing)) {
     TabScrubber::GetInstance();
   }
 }
 
 void ChromeBrowserMainExtraPartsAsh::PostMainMessageLoopRun() {
   chrome::CloseAsh();
 }
-
-namespace chrome {
-
-void AddAshToolkitExtraParts(ChromeBrowserMainParts* main_parts) {
-  main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
-}
-
-}  // namespace chrome