chromeos: Remove old LockScreen signal.

chrome/browser/chromeos/login/screen_locker.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/browser/chromeos/login/screen_locker.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 89 matching lines @@
       case chrome::NOTIFICATION_SESSION_STARTED: {
         session_started_ = true;
         break;
       }
 
       default:
         NOTREACHED();
     }
   }
 
-  // TODO(derat): Remove this once the session manager is calling the LockScreen
-  // method instead of emitting a signal.
-  virtual void LockScreen() OVERRIDE {
-    VLOG(1) << "Received LockScreen D-Bus signal from session manager";
-    ScreenLocker::HandleLockScreenRequest();
-  }
-
   virtual void OnUserAddingFinished() OVERRIDE {
     UserAddingScreen::Get()->RemoveObserver(this);
-    LockScreen();
+    ScreenLocker::HandleLockScreenRequest();
   }
 
  private:
   bool session_started_;
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenLockObserver);
 };
 
 static base::LazyInstance<ScreenLockObserver> g_screen_lock_observer =
@@ skipping 345 matching lines @@
 
 bool ScreenLocker::IsUserLoggedIn(const std::string& username) {
   for (UserList::const_iterator it = users_.begin(); it != users_.end(); ++it) {
     if ((*it)->email() == username)
       return true;
   }
   return false;
 }
 
 }  // namespace chromeos