Fix build breakage due to unmerged refactoring

components/exo/wayland/server.cc

Index: components/exo/wayland/server.cc
diff --git a/components/exo/wayland/server.cc b/components/exo/wayland/server.cc
index cbb1650783f76ff58bfb28f51306c003981ff3fe..b4c2c99239e017c4b57aa15015fe53da67cba955 100644
--- a/components/exo/wayland/server.cc
+++ b/components/exo/wayland/server.cc
@@ -30,10 +30,10 @@
 #include "ash/common/display/display_info.h"
 #include "ash/common/shell_observer.h"
 #include "ash/common/shell_window_ids.h"
-#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm_shell.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
+#include "ash/wm/maximize_mode/maximize_mode_controller.h"
 #include "base/bind.h"
 #include "base/cancelable_callback.h"
 #include "base/files/file_path.h"
@@ -1588,7 +1588,7 @@ class WaylandRemoteShell : public ash::ShellObserver,
     shell->activation_client()->AddObserver(this);
     display::Screen::GetScreen()->AddObserver(this);
 
-    layout_mode_ = ash::WmShell::Get()
+    layout_mode_ = ash::Shell::GetInstance()
                            ->maximize_mode_controller()
                            ->IsMaximizeModeWindowManagerEnabled()
                        ? ZWP_REMOTE_SHELL_V1_LAYOUT_MODE_TABLET