Add LockLayoutManager responsible for lock container (login/lock).

ash/test/test_shell_delegate.h

 // 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.
 
 #ifndef ASH_TEST_TEST_SHELL_DELEGATE_H_
 #define ASH_TEST_TEST_SHELL_DELEGATE_H_
 
 #include <string>
 
 #include "ash/media_delegate.h"
 #include "ash/shell_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/observer_list.h"
 
 namespace keyboard {
 class KeyboardControllerProxy;
 }
 
 namespace ash {
 namespace test {
 
 class TestSessionStateDelegate;
 
@@ skipping 45 matching lines @@
   }
 
   void SetMediaCaptureState(MediaCaptureState state);
 
  private:
   int num_exit_requests_;
   bool multi_profiles_enabled_;
 
   scoped_ptr<content::BrowserContext> active_browser_context_;
 
+  ObserverList<ash::VirtualKeyboardStateObserver> keyboard_state_observer_list_;
+
   TestSessionStateDelegate* test_session_state_delegate_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(TestShellDelegate);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_TEST_SHELL_DELEGATE_H_