ChromeOS login webui refactoring : Simplify login methods.

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

Index: chrome/browser/chromeos/login/lock/webui_screen_locker.cc
diff --git a/chrome/browser/chromeos/login/lock/webui_screen_locker.cc b/chrome/browser/chromeos/login/lock/webui_screen_locker.cc
index 5bf1f24a3433e1327c37328f4d3dafadfdcd3940..c507d536265c2e0310826e87d9718dfc9e305846 100644
--- a/chrome/browser/chromeos/login/lock/webui_screen_locker.cc
+++ b/chrome/browser/chromeos/login/lock/webui_screen_locker.cc
@@ -243,26 +243,15 @@ bool WebUIScreenLocker::IsSigninInProgress() const {
   return false;
 }
 
-void WebUIScreenLocker::Login(const UserContext& user_context) {
+void WebUIScreenLocker::Login(const UserContext& user_context,
+                              const SigninSpecifics& specifics) {
   chromeos::ScreenLocker::default_screen_locker()->Authenticate(user_context);
 }
 
-void WebUIScreenLocker::LoginAsRetailModeUser() {
-  NOTREACHED();
-}
-
-void WebUIScreenLocker::LoginAsGuest() {
-  NOTREACHED();
-}
-
 void WebUIScreenLocker::MigrateUserData(const std::string& old_password) {
   NOTREACHED();
 }
 
-void WebUIScreenLocker::LoginAsPublicAccount(const std::string& username) {
-  NOTREACHED();
-}
-
 void WebUIScreenLocker::OnSigninScreenReady() {
 }