Move yet more from WmShell to Shell

ash/common/test/test_session_controller_client.cc

Index: ash/common/test/test_session_controller_client.cc
diff --git a/ash/common/test/test_session_controller_client.cc b/ash/common/test/test_session_controller_client.cc
index b4e86e2ccb2a19f5a560f61219562493eac3f43b..a9e9f8b378d2781b880dec4b2b83fccb18533ac8 100644
--- a/ash/common/test/test_session_controller_client.cc
+++ b/ash/common/test/test_session_controller_client.cc
@@ -9,7 +9,7 @@
 
 #include "ash/common/login_status.h"
 #include "ash/common/session/session_controller.h"
-#include "ash/common/wm_shell.h"
+#include "ash/shell.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "components/session_manager/session_manager_types.h"
@@ -79,7 +79,7 @@ void TestSessionControllerClient::SetSessionState(
   controller_->SetSessionInfo(session_info_->Clone());
 
   // TODO(xiyuan): Remove after LoginStatus becomes part of SessionController.
-  WmShell::Get()->UpdateAfterLoginStatusChange(
+  Shell::Get()->UpdateAfterLoginStatusChange(
       state == session_manager::SessionState::ACTIVE
           ? LoginStatus::USER
           : LoginStatus::NOT_LOGGED_IN);