Prepare for building with enable_app_list=0 on Desktop

chrome/browser/ui/startup/startup_browser_creator.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/startup/startup_browser_creator.h"
 
 #include <stddef.h>
 
 #include <algorithm>  // For max().
 #include <memory>
@@ skipping 854 matching lines @@
       !profile_launch_observer.Get().HasBeenLaunched(profile);
 }
 
 base::FilePath GetStartupProfilePath(const base::FilePath& user_data_dir,
                                      const base::CommandLine& command_line) {
   if (command_line.HasSwitch(switches::kProfileDirectory)) {
     return user_data_dir.Append(
         command_line.GetSwitchValuePath(switches::kProfileDirectory));
   }
 
+#if defined(ENABLE_APP_LIST)
   // If we are showing the app list then chrome isn't shown so load the app
   // list's profile rather than chrome's.
   if (command_line.HasSwitch(switches::kShowAppList))
     return AppListService::Get()->GetProfilePath(user_data_dir);
+#endif
 
   return g_browser_process->profile_manager()->GetLastUsedProfileDir(
       user_data_dir);
 }