Revert "chromeos: Fix shelf appearing at login screen under mash"

ash/root_window_controller_unittest.cc

Index: ash/root_window_controller_unittest.cc
diff --git a/ash/root_window_controller_unittest.cc b/ash/root_window_controller_unittest.cc
index 48aadbd3d6419c4de5b705848184ba2e00089db9..f204b4433b8ed88a56524cb4d7a2382952a733ac 100644
--- a/ash/root_window_controller_unittest.cc
+++ b/ash/root_window_controller_unittest.cc
@@ -8,7 +8,6 @@
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/material_design/material_design_controller.h"
-#include "ash/common/session/session_controller.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/wm/system_modal_container_layout_manager.h"
@@ -18,7 +17,6 @@
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
-#include "ash/public/interfaces/session_controller.mojom.h"
 #include "ash/shell.h"
 #include "ash/test/ash_md_test_base.h"
 #include "ash/test/ash_test_base.h"
@@ -977,8 +975,8 @@ TEST_F(VirtualKeyboardRootWindowControllerTest,
   // Track the keyboard container window.
   aura::WindowTracker tracker;
   tracker.Add(keyboard_container);
-  // Reinitialize the keyboard.
-  Shell::GetInstance()->CreateKeyboard();
+  // Mock a login user profile change to reinitialize the keyboard.
+  Shell::GetInstance()->OnLoginUserProfilePrepared();
   // keyboard_container should no longer be present.
   EXPECT_FALSE(tracker.Contains(keyboard_container));
 }
@@ -1012,9 +1010,7 @@ TEST_F(VirtualKeyboardRootWindowControllerTest, RestoreWorkspaceAfterLogin) {
   }
 
   // Mock a login user profile change to reinitialize the keyboard.
-  mojom::SessionInfoPtr info = mojom::SessionInfo::New();
-  info->state = session_manager::SessionState::ACTIVE;
-  WmShell::Get()->session_controller()->SetSessionInfo(std::move(info));
+  Shell::GetInstance()->OnLoginUserProfilePrepared();
   EXPECT_EQ(display::Screen::GetScreen()->GetPrimaryDisplay().work_area(),
             before);
 }