Remove --allow-file-access and accompanying logic

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index a73ef317b07f4672bd6778ec542bbc4e1677942c..5e9fb9cea6d8cb0823b3f3c995da2968ec398340 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -480,11 +480,6 @@ void ChromeBrowserMainPartsChromeos::PreProfileInit() {
   // ProfileHelper has to be initialized after UserManager instance is created.
   ProfileHelper::Get()->Initialize();
 
-  // TODO(abarth): Should this move to InitializeNetworkOptions()?
-  // Allow access to file:// on ChromeOS for tests.
-  if (parsed_command_line().HasSwitch(::switches::kAllowFileAccess))
-    ChromeNetworkDelegate::AllowAccessToAllFiles();
-
   // If kLoginUser is passed this indicates that user has already
   // logged in and we should behave accordingly.
   bool immediate_login =