cros: Move system tray delegate widget container code to SystemTrayClient

chrome/browser/ui/ash/network_connect_delegate_chromeos.cc

Index: chrome/browser/ui/ash/network_connect_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/network_connect_delegate_chromeos.cc b/chrome/browser/ui/ash/network_connect_delegate_chromeos.cc
index d509ce2015800dbe338491aa0b66d3296da67990..51a0b0e0986b28acb4c8cc026cd2a11719e5ecd0 100644
--- a/chrome/browser/ui/ash/network_connect_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/network_connect_delegate_chromeos.cc
@@ -4,10 +4,7 @@
 
 #include "chrome/browser/ui/ash/network_connect_delegate_chromeos.h"
 
-#include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shell_window_ids.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/shell.h"
 #include "chrome/browser/chromeos/enrollment_dialog_view.h"
@@ -24,19 +21,7 @@ bool IsUIAvailable() {
 }
 
 gfx::NativeWindow GetNativeWindow() {
-  ash::WmShell* wm_shell = ash::WmShell::Get();
-  const bool session_started =
-      wm_shell->GetSessionStateDelegate()->IsActiveUserSessionStarted();
-  const ash::LoginStatus login_status =
-      wm_shell->system_tray_delegate()->GetUserLoginStatus();
-  const bool is_in_secondary_login_screen =
-      wm_shell->GetSessionStateDelegate()->IsInSecondaryLoginScreen();
-
-  int container_id =
-      (!session_started || login_status == ash::LoginStatus::NOT_LOGGED_IN ||
-       login_status == ash::LoginStatus::LOCKED || is_in_secondary_login_screen)
-          ? ash::kShellWindowId_LockSystemModalContainer
-          : ash::kShellWindowId_SystemModalContainer;
+  int container_id = SystemTrayClient::GetDialogParentContainerId();
   return ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
                                   container_id);
 }