No longer relaunch into metro mode by default on touch devices.

chrome/browser/first_run/first_run.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/first_run/first_run.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 603 matching lines @@
                             installer::master_preferences::kDistroPingDelay);
 }
 
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterIntegerPref(
       GetPingDelayPrefName().c_str(),
       0,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
-bool RemoveSentinel() {
-  base::FilePath first_run_sentinel;
-  return internal::GetFirstRunSentinelFilePath(&first_run_sentinel) &&
-      base::DeleteFile(first_run_sentinel, false);
-}
-
 bool SetShowFirstRunBubblePref(FirstRunBubbleOptions show_bubble_option) {
   PrefService* local_state = g_browser_process->local_state();
   if (!local_state)
     return false;
   if (local_state->GetInteger(
           prefs::kShowFirstRunBubbleOption) != FIRST_RUN_BUBBLE_SUPPRESS) {
     // Set the new state as long as the bubble wasn't explicitly suppressed
     // already.
     local_state->SetInteger(prefs::kShowFirstRunBubbleOption,
                             show_bubble_option);
@@ skipping 166 matching lines @@
   SetShouldDoPersonalDataManagerFirstRun();
 
   internal::DoPostImportPlatformSpecificTasks(profile);
 }
 
 uint16 auto_import_state() {
   return g_auto_import_state;
 }
 
 }  // namespace first_run