mash: Convert system tray logout button to wm common types

chrome/browser/chromeos/policy/device_local_account_browsertest.cc

Index: chrome/browser/chromeos/policy/device_local_account_browsertest.cc
diff --git a/chrome/browser/chromeos/policy/device_local_account_browsertest.cc b/chrome/browser/chromeos/policy/device_local_account_browsertest.cc
index b1bcf15ccc49973813cb23ee073bc9359f1beda8..76454f0a5f1485c47379ee8649bbbdc0333a3ee3 100644
--- a/chrome/browser/chromeos/policy/device_local_account_browsertest.cc
+++ b/chrome/browser/chromeos/policy/device_local_account_browsertest.cc
@@ -13,9 +13,9 @@
 #include <utility>
 #include <vector>
 
-#include "ash/shell.h"
-#include "ash/system/chromeos/session/logout_confirmation_controller.h"
-#include "ash/system/chromeos/session/logout_confirmation_dialog.h"
+#include "ash/common/system/chromeos/session/logout_confirmation_controller.h"
+#include "ash/common/system/chromeos/session/logout_confirmation_dialog.h"
+#include "ash/common/wm_shell.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
@@ -1534,7 +1534,7 @@ IN_PROC_BROWSER_TEST_F(DeviceLocalAccountTest, LastWindowClosedLogoutReminder) {
 
   // Verify that the logout confirmation dialog is not showing.
   ash::LogoutConfirmationController* logout_confirmation_controller =
-      ash::Shell::GetInstance()->logout_confirmation_controller();
+      ash::WmShell::Get()->logout_confirmation_controller();
   ASSERT_TRUE(logout_confirmation_controller);
   EXPECT_FALSE(logout_confirmation_controller->dialog_for_testing());