Remove retail mode.

chrome/browser/chromeos/login/lock/screen_locker.cc

Index: chrome/browser/chromeos/login/lock/screen_locker.cc
diff --git a/chrome/browser/chromeos/login/lock/screen_locker.cc b/chrome/browser/chromeos/login/lock/screen_locker.cc
index dff2cd446d106718847449cd895735ddaf32355f..73dea46f7a5f754e2af782226f8456db4123e183 100644
--- a/chrome/browser/chromeos/login/lock/screen_locker.cc
+++ b/chrome/browser/chromeos/login/lock/screen_locker.cc
@@ -384,10 +384,8 @@ void ScreenLocker::Show() {
 
   // Check whether the currently logged in user is a guest account and if so,
   // refuse to lock the screen (crosbug.com/23764).
-  // For a demo user, we should never show the lock screen (crosbug.com/27647).
-  if (user_manager::UserManager::Get()->IsLoggedInAsGuest() ||
-      user_manager::UserManager::Get()->IsLoggedInAsDemoUser()) {
-    VLOG(1) << "Refusing to lock screen for guest/demo account";
+  if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
+    VLOG(1) << "Refusing to lock screen for guest account";
     return;
   }
 
@@ -422,9 +420,8 @@ void ScreenLocker::Show() {
 void ScreenLocker::Hide() {
   DCHECK(base::MessageLoopForUI::IsCurrent());
   // For a guest/demo user, screen_locker_ would have never been initialized.

[bartfab (slow), 2014/11/27 16:25:47]

Nit: s:/demo::

[rkc, 2014/12/01 19:15:04]

Done.

-  if (user_manager::UserManager::Get()->IsLoggedInAsGuest() ||
-      user_manager::UserManager::Get()->IsLoggedInAsDemoUser()) {
-    VLOG(1) << "Refusing to hide lock screen for guest/demo account";
+  if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
+    VLOG(1) << "Refusing to hide lock screen for guest account";
     return;
   }