Reorganization directory structure [3/n]

Change-Id: If3dfa3f6007f8810a6a1ae1a4f0c7da38544648d

shared/source/memory_manager/deferrable_deletion.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2017-2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+#include "utilities/idlist.h"
+
+namespace NEO {
+class DeferrableDeletion : public IDNode<DeferrableDeletion> {
+  public:
+    template <typename... Args>
+    static DeferrableDeletion *create(Args... args);
+    virtual bool apply() = 0;
+};
+} // namespace NEO