Make code compile with clang_use_chrome_plugin (part V)

xfa/fxfa/parser/xfa_doclayout.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FXFA_PARSER_XFA_DOCLAYOUT_H_
 #define XFA_FXFA_PARSER_XFA_DOCLAYOUT_H_
 
 #include "xfa/fxfa/parser/xfa_document.h"
@@ skipping 48 matching lines @@
   int32_t GetPageIndex() const;
   void GetPageSize(CFX_SizeF& size) const;
   CXFA_Node* GetMasterPage() const;
 
   CXFA_Node* m_pOldSubform;
 };
 
 class CXFA_ContentLayoutItem : public CXFA_LayoutItem {
  public:
   CXFA_ContentLayoutItem(CXFA_Node* pNode);
-  virtual ~CXFA_ContentLayoutItem();
+  ~CXFA_ContentLayoutItem() override;
 
   CXFA_ContentLayoutItem* m_pPrev;
   CXFA_ContentLayoutItem* m_pNext;
   CFX_PointF m_sPos;
   CFX_SizeF m_sSize;
   uint32_t m_dwStatus;
 };
 
 CXFA_ContainerLayoutItem* CXFA_LayoutItem::AsContainerLayoutItem() {
   return IsContainerLayoutItem() ? static_cast<CXFA_ContainerLayoutItem*>(this)
@@ skipping 17 matching lines @@
   }
   static inline CXFA_LayoutItem* GetNextSibling(CXFA_LayoutItem* pLayoutItem) {
     return pLayoutItem->m_pNextSibling;
   }
   static inline CXFA_LayoutItem* GetParent(CXFA_LayoutItem* pLayoutItem) {
     return pLayoutItem->m_pParent;
   }
 };
 
 #endif  // XFA_FXFA_PARSER_XFA_DOCLAYOUT_H_