mash: Migrate shelf app list button to wm common types

ash/common/shelf/app_list_shelf_item_delegate.h

Index: ash/common/shelf/app_list_shelf_item_delegate.h
diff --git a/ash/shelf/app_list_shelf_item_delegate.h b/ash/common/shelf/app_list_shelf_item_delegate.h
similarity index 82%
rename from ash/shelf/app_list_shelf_item_delegate.h
rename to ash/common/shelf/app_list_shelf_item_delegate.h
index b4d6c3f1fafbdfd89af0512bc03337fc06577b43..07a51fd829b57ad2f31d8cf00c3a89bafbc7a579 100644
--- a/ash/shelf/app_list_shelf_item_delegate.h
+++ b/ash/common/shelf/app_list_shelf_item_delegate.h
@@ -2,11 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SHELF_APP_LIST_SHELF_ITEM_DELEGATE_H_
-#define ASH_SHELF_APP_LIST_SHELF_ITEM_DELEGATE_H_
+#ifndef ASH_COMMON_SHELF_APP_LIST_SHELF_ITEM_DELEGATE_H_
+#define ASH_COMMON_SHELF_APP_LIST_SHELF_ITEM_DELEGATE_H_
 
 #include "ash/common/shelf/shelf_item_delegate.h"
-#include "base/compiler_specific.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -34,4 +33,4 @@ class AppListShelfItemDelegate : public ShelfItemDelegate {
 
 }  // namespace ash
 
-#endif  // ASH_SHELF_APP_LIST_SHELF_ITEM_DELEGATE_H_
+#endif  // ASH_COMMON_SHELF_APP_LIST_SHELF_ITEM_DELEGATE_H_