[cros] Use LoginDisplayHost::GetNativeWindow() for status area on login screen

chrome/browser/chromeos/status/network_menu_button.cc

 // Copyright (c) 2011 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/status/network_menu_button.h"
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/login/base_login_display_host.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/options/network_config_view.h"
 #include "chrome/browser/chromeos/sim_dialog_delegate.h"
 #include "chrome/browser/chromeos/view_ids.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/common/pref_names.h"
@@ skipping 161 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NetworkMenuButton, NetworkMenu implementation:
 
 views::MenuButton* NetworkMenuButton::GetMenuButton() {
   return this;
 }
 
 gfx::NativeWindow NetworkMenuButton::GetNativeWindow() const {
-  // This must always have a parent, which must have a widget ancestor.
-  return parent()->GetWidget()->GetNativeWindow();
+  if (BaseLoginDisplayHost::default_host()) {
+    // When not in browser mode i.e. login screen, status area is hosted in
+    // a separate widget.
+    return BaseLoginDisplayHost::default_host()->GetNativeWindow();
+  } else {
+    // This must always have a parent, which must have a widget ancestor.
+    return parent()->GetWidget()->GetNativeWindow();
+  }
 }
 
 void NetworkMenuButton::OpenButtonOptions() {
   delegate()->ExecuteStatusAreaCommand(
       this, StatusAreaButton::Delegate::SHOW_NETWORK_OPTIONS);
 }
 
 bool NetworkMenuButton::ShouldOpenButtonOptions() const {
   return delegate()->ShouldExecuteStatusAreaCommand(
       this, StatusAreaButton::Delegate::SHOW_NETWORK_OPTIONS);
@@ skipping 230 matching lines @@
       SetCarrierDealPromoShown(carrier_deal_promo_pref + 1);
   }
 }
 
 void NetworkMenuButton::SetTooltipAndAccessibleName(const string16& label) {
   SetTooltipText(label);
   SetAccessibleName(label);
 }
 
 }  // namespace chromeos