Remove --pnacl-dir override flag.

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 1446 matching lines @@
   // BrowserContextKeyedServiceFactory::ServiceIsCreatedWithBrowserContext()
   // instead?
   CloudPrintProxyServiceFactory::GetForProfile(profile_);
 #endif
 
   // Start watching all browser threads for responsiveness.
   MetricsService::SetExecutionPhase(MetricsService::THREAD_WATCHER_START);
   ThreadWatcherList::StartWatchingAll(parsed_command_line());
 
 #if !defined(DISABLE_NACL)
-  if (parsed_command_line().HasSwitch(switches::kPnaclDir)) {
-    PathService::Override(chrome::DIR_PNACL_BASE,
-                          parsed_command_line().GetSwitchValuePath(
-                              switches::kPnaclDir));
-  }
-
   content::BrowserThread::PostTask(
       content::BrowserThread::IO,
       FROM_HERE,
       base::Bind(nacl::NaClProcessHost::EarlyStartup));
 #endif
 
   // Make sure initial prefs are recorded
   PrefMetricsService::Factory::GetForProfile(profile_);
 
   PreBrowserStart();
@@ skipping 207 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }