Rename IFX_Unknown to IFX_Retainable.

xfa/fxfa/app/xfa_textlayout.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_APP_XFA_TEXTLAYOUT_H_
 #define XFA_FXFA_APP_XFA_TEXTLAYOUT_H_
 
 #include <map>
@@ skipping 153 matching lines @@
   int32_t m_iLines;
   int32_t m_iTotalLines;
   CFDE_XMLNode* m_pXMLNode;
   CXFA_Node* m_pNode;
   IFDE_CSSComputedStyle* m_pParentStyle;
   CFX_ArrayTemplate<FX_FLOAT> m_lineHeights;
   uint32_t m_dwFlags;
   CFX_FloatArray m_BlocksHeight;
 };
 
-class CXFA_LinkUserData : public IFX_Unknown, public CFX_Target {
+class CXFA_LinkUserData : public IFX_Retainable, public CFX_Target {
  public:
   CXFA_LinkUserData(IFX_MemoryAllocator* pAllocator, FX_WCHAR* pszText)
       : m_pAllocator(pAllocator), m_dwRefCount(1), m_wsURLContent(pszText) {}
 
   ~CXFA_LinkUserData() override {}
 
-  uint32_t AddRef() override { return ++m_dwRefCount; }
+  // IFX_Retainable:
+  uint32_t Retain() override { return ++m_dwRefCount; }
   uint32_t Release() override {
     uint32_t dwRefCount = --m_dwRefCount;
     if (dwRefCount <= 0)
       FXTARGET_DeleteWith(CXFA_LinkUserData, m_pAllocator, this);
     return dwRefCount;
   }
 
   const FX_WCHAR* GetLinkURL() { return m_wsURLContent.c_str(); }
 
  protected:
   IFX_MemoryAllocator* m_pAllocator;
   uint32_t m_dwRefCount;
   CFX_WideString m_wsURLContent;
 };
 
-class CXFA_TextUserData : public IFX_Unknown, public CFX_Target {
+class CXFA_TextUserData : public IFX_Retainable, public CFX_Target {
  public:
   CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
                     IFDE_CSSComputedStyle* pStyle)
       : m_pStyle(pStyle),
         m_pLinkData(nullptr),
         m_pAllocator(pAllocator),
         m_dwRefCount(0) {
     ASSERT(m_pAllocator);
     if (m_pStyle)
-      m_pStyle->AddRef();
+      m_pStyle->Retain();
   }
   CXFA_TextUserData(IFX_MemoryAllocator* pAllocator,
                     IFDE_CSSComputedStyle* pStyle,
                     CXFA_LinkUserData* pLinkData)
       : m_pStyle(pStyle),
         m_pLinkData(pLinkData),
         m_pAllocator(pAllocator),
         m_dwRefCount(0) {
     ASSERT(m_pAllocator);
     if (m_pStyle)
-      m_pStyle->AddRef();
+      m_pStyle->Retain();
   }
   ~CXFA_TextUserData() override {
     if (m_pStyle)
       m_pStyle->Release();
     if (m_pLinkData)
       m_pLinkData->Release();
   }
 
-  uint32_t AddRef() override { return ++m_dwRefCount; }
+  // IFX_Retainable:
+  uint32_t Retain() override { return ++m_dwRefCount; }
   uint32_t Release() override {
     uint32_t dwRefCount = --m_dwRefCount;
     if (dwRefCount == 0)
       FXTARGET_DeleteWith(CXFA_TextUserData, m_pAllocator, this);
     return dwRefCount;
   }
 
   IFDE_CSSComputedStyle* m_pStyle;
   CXFA_LinkUserData* m_pLinkData;
 
@@ skipping 176 matching lines @@
   std::unique_ptr<CXFA_LoaderContext> m_pLoader;
   int32_t m_iLines;
   FX_FLOAT m_fMaxWidth;
   CXFA_TextParser m_textParser;
   CXFA_PieceLineArray m_pieceLines;
   std::unique_ptr<CXFA_TextTabstopsContext> m_pTabstopContext;
   FX_BOOL m_bBlockContinue;
 };
 
 #endif  // XFA_FXFA_APP_XFA_TEXTLAYOUT_H_