Remove --allow-file-access and accompanying logic

chrome/test/base/chrome_test_launcher.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/test/base/chrome_test_launcher.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 70 matching lines @@
   // Strip out user-data-dir if present.  We will add it back in again later.
   switches.erase(switches::kUserDataDir);
 
   for (base::CommandLine::SwitchMap::const_iterator iter = switches.begin();
        iter != switches.end(); ++iter) {
     new_command_line.AppendSwitchNative((*iter).first, (*iter).second);
   }
 
   new_command_line.AppendSwitchPath(switches::kUserDataDir, temp_data_dir);
 
-  // file:// access for ChromeOS.
-  new_command_line.AppendSwitch(switches::kAllowFileAccess);
-
   *command_line = new_command_line;
   return true;
 }
 
 content::ContentMainDelegate*
 ChromeTestLauncherDelegate::CreateContentMainDelegate() {
   return new ChromeMainDelegate();
 }
 
 int LaunchChromeTests(int default_jobs,
@@ skipping 17 matching lines @@
 #if defined(OS_LINUX) || defined(OS_ANDROID) || defined(OS_WIN)
   // We leak this pointer intentionally. The crash client needs to outlive
   // all other code.
   ChromeCrashReporterClient* crash_client = new ChromeCrashReporterClient();
   ANNOTATE_LEAKING_OBJECT_PTR(crash_client);
   crash_reporter::SetCrashReporterClient(crash_client);
 #endif
 
   return content::LaunchTests(delegate, default_jobs, argc, argv);
 }