Tray elements behave appropriately on the multiple signin screen (more like lock screen)

ash/test/test_session_state_delegate.h

 // Copyright (c) 2013 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_SESSION_STATE_DELEGATE_H_
 #define ASH_TEST_TEST_SESSION_STATE_DELEGATE_H_
 
 #include <vector>
 
 #include "ash/session/session_state_delegate.h"
@@ skipping 34 matching lines @@
       ash::MultiProfileIndex index) const OVERRIDE;
   virtual const UserInfo* GetUserInfo(
       content::BrowserContext* context) const OVERRIDE;
   virtual bool ShouldShowAvatar(aura::Window* window) const OVERRIDE;
   virtual void SwitchActiveUser(const std::string& user_id) OVERRIDE;
   virtual void CycleActiveUser(CycleUser cycle_user) OVERRIDE;
   virtual void AddSessionStateObserver(
       ash::SessionStateObserver* observer) OVERRIDE;
   virtual void RemoveSessionStateObserver(
       ash::SessionStateObserver* observer) OVERRIDE;
+  virtual void HideMultiUserSigninScreen() OVERRIDE;
 
   // TODO(oshima): Use state machine instead of using boolean variables.
 
   // Updates the internal state that indicates whether a session is in progress
   // and there is an active user. If |has_active_user| is |false|,
   // |active_user_session_started_| is reset to |false| as well (see below for
   // the difference between these two flags).
   void SetHasActiveUser(bool has_active_user);
 
   // Updates the internal state that indicates whether the session has been
@@ skipping 47 matching lines @@
 
   std::vector<MockUserInfo*> user_list_;
 
   DISALLOW_COPY_AND_ASSIGN(TestSessionStateDelegate);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_TEST_SESSION_STATE_DELEGATE_H_