mash: Convert ash::ShellDelegate from aura::Window to WmWindow

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos_unittest.cc

Index: chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos_unittest.cc
diff --git a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos_unittest.cc b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos_unittest.cc
index 2aa1db6cb3a6559b5d580658571f4b26cae8fb23..f6b6438516d9e9693a1c4ad53c60c629b03db62e 100644
--- a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos_unittest.cc
+++ b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos_unittest.cc
@@ -106,9 +106,9 @@ class TestShellDelegateChromeOS : public ash::test::TestShellDelegate {
     return new ash::test::TestSessionStateDelegate;
   }
 
-  bool CanShowWindowForUser(aura::Window* window) const override {
+  bool CanShowWindowForUser(ash::WmWindow* window) const override {
     return ::CanShowWindowForUser(
-        window,
+        ash::WmWindowAura::GetAuraWindow(window),
         base::Bind(&ash::ShellContentState::GetActiveBrowserContext,
                    base::Unretained(ash::ShellContentState::GetInstance())));
   }