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

ash/system/ime/tray_ime.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 "ash/system/ime/tray_ime.h"
 
 #include <vector>
 
 #include "ash/metrics/user_metrics_recorder.h"
 #include "ash/root_window_controller.h"
+#include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/system/tray/hover_highlight_view.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_details_view.h"
 #include "ash/system/tray/tray_item_more.h"
 #include "ash/system/tray/tray_item_view.h"
@@ skipping 86 matching lines @@
 
   virtual ~IMEDetailedView() {}
 
   void Update(const IMEInfoList& list,
               const IMEPropertyInfoList& property_list) {
     Reset();
 
     AppendIMEList(list);
     if (!property_list.empty())
       AppendIMEProperties(property_list);
-    if (login_ != user::LOGGED_IN_NONE && login_ != user::LOGGED_IN_LOCKED)
+    if (login_ != user::LOGGED_IN_NONE && login_ != user::LOGGED_IN_LOCKED &&
+        ash::Shell::GetInstance()
+                ->session_state_delegate()
+                ->GetSessionState() !=
+            ash::SessionStateDelegate::SESSION_STATE_LOGIN_SECONDARY)
       AppendSettings();
     AppendHeaderEntry();
 
     Layout();
     SchedulePaint();
   }
 
  private:
   void AppendHeaderEntry() {
     CreateSpecialRow(IDS_ASH_STATUS_TRAY_IME, this);
@@ skipping 166 matching lines @@
 
   UpdateTrayLabel(current, list.size());
 
   if (default_)
     default_->UpdateLabel(current);
   if (detailed_)
     detailed_->Update(list, property_list);
 }
 
 }  // namespace ash