Remove retail mode.

chrome/browser/chromeos/login/auth/login_performer.cc

Index: chrome/browser/chromeos/login/auth/login_performer.cc
diff --git a/chrome/browser/chromeos/login/auth/login_performer.cc b/chrome/browser/chromeos/login/auth/login_performer.cc
index c3200a4132f5ebf9b0db525e8426e3a5fcca18e7..cb4ff6bc795586fca74ffac09006a14d5982bdfa 100644
--- a/chrome/browser/chromeos/login/auth/login_performer.cc
+++ b/chrome/browser/chromeos/login/auth/login_performer.cc
@@ -86,12 +86,6 @@ void LoginPerformer::OnAuthFailure(const AuthFailure& failure) {
   }
 }
 
-void LoginPerformer::OnRetailModeAuthSuccess(const UserContext& user_context) {
-  content::RecordAction(
-      UserMetricsAction("Login_DemoUserLoginSuccess"));
-  AuthStatusConsumer::OnRetailModeAuthSuccess(user_context);
-}
-
 void LoginPerformer::OnAuthSuccess(const UserContext& user_context) {
   content::RecordAction(UserMetricsAction("Login_Success"));
   VLOG(1) << "LoginSuccess hash: " << user_context.GetUserIDHash();
@@ -264,13 +258,6 @@ void LoginPerformer::LoginAsSupervisedUser(
   }
 }
 
-void LoginPerformer::LoginRetailMode() {
-  authenticator_ = LoginUtils::Get()->CreateAuthenticator(this);
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&Authenticator::LoginRetailMode, authenticator_.get()));
-}
-
 void LoginPerformer::LoginOffTheRecord() {
   authenticator_ = LoginUtils::Get()->CreateAuthenticator(this);
   BrowserThread::PostTask(