Make BrowserMainParts have an empty implementation to make embedding easier.

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/accelerators/accelerator_controller.h"
 #include "ash/ash_switches.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/shell.h"
@@ skipping 19 matching lines @@
 
 #if defined(OS_CHROMEOS)
 #include "base/chromeos/chromeos_version.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/ui/views/ash/brightness_controller_chromeos.h"
 #include "chrome/browser/ui/views/ash/ime_controller_chromeos.h"
 #include "chrome/browser/ui/views/ash/volume_controller_chromeos.h"
 #endif
 
-ChromeBrowserMainExtraPartsAsh::ChromeBrowserMainExtraPartsAsh()
-    : ChromeBrowserMainExtraParts() {
+ChromeBrowserMainExtraPartsAsh::ChromeBrowserMainExtraPartsAsh() {
 }
 
 ChromeBrowserMainExtraPartsAsh::~ChromeBrowserMainExtraPartsAsh() {
 }
 
 void ChromeBrowserMainExtraPartsAsh::PreProfileInit() {
 #if defined(OS_CHROMEOS)
   if (base::chromeos::IsRunningOnChromeOS() ||
       CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kAuraHostWindowUseFullscreen)) {
@@ skipping 49 matching lines @@
   ash::Shell::DeleteInstance();
 }
 
 namespace browser {
 
 void AddAshToolkitExtraParts(ChromeBrowserMainParts* main_parts) {
   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 }
 
 }  // namespace browser