Replace some calls to Release() with direct delete, part 1.

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>
+#include <memory>
 
 #include "xfa/fde/css/fde_css.h"
 #include "xfa/fde/fde_gedevice.h"
 #include "xfa/fgas/layout/fgas_rtfbreak.h"
 #include "xfa/fxfa/include/xfa_ffdoc.h"
 #include "xfa/fxfa/parser/xfa_object.h"
 
 #define XFA_LOADERCNTXTFLG_FILTERSPACE 0x001
 
 class CFDE_CSSStyleSelector;
@@ skipping 51 matching lines @@
   IFDE_CSSComputedStyle* m_pParentStyle;
 
  protected:
   CFDE_CSSDeclaration** m_ppMatchedDecls;
   uint32_t m_dwMatchedDecls;
   FDE_CSSDISPLAY m_eDisplay;
 };
 
 class CXFA_TextParser {
  public:
-  CXFA_TextParser() : m_pAllocator(NULL), m_pSelector(NULL), m_pUASheet(NULL) {}
+  CXFA_TextParser();
   virtual ~CXFA_TextParser();
   void Reset();
   void DoParse(CFDE_XMLNode* pXMLContainer, CXFA_TextProvider* pTextProvider);
   IFDE_CSSComputedStyle* CreateRootStyle(CXFA_TextProvider* pTextProvider);
   IFDE_CSSComputedStyle* ComputeStyle(CFDE_XMLNode* pXMLNode,
                                       IFDE_CSSComputedStyle* pParentStyle);
   FX_BOOL IsParsed() const { return m_pAllocator != NULL; }
 
   int32_t GetVAlign(CXFA_TextProvider* pTextProvider) const;
   FX_FLOAT GetTabInterval(IFDE_CSSComputedStyle* pStyle) const;
@@ skipping 31 matching lines @@
   CXFA_TextParseContext* GetParseContextFromMap(CFDE_XMLNode* pXMLNode);
 
  private:
   void InitCSSData(CXFA_TextProvider* pTextProvider);
   void ParseRichText(CFDE_XMLNode* pXMLNode,
                      IFDE_CSSComputedStyle* pParentStyle);
   void ParseTagInfo(CFDE_XMLNode* pXMLNode, CXFA_CSSTagProvider& tagProvider);
   IFDE_CSSStyleSheet* LoadDefaultSheetStyle();
   IFDE_CSSComputedStyle* CreateStyle(IFDE_CSSComputedStyle* pParentStyle);
   IFX_MemoryAllocator* m_pAllocator;
-  CFDE_CSSStyleSelector* m_pSelector;
+  std::unique_ptr<CFDE_CSSStyleSelector> m_pSelector;
   IFDE_CSSStyleSheet* m_pUASheet;
   CFX_MapPtrTemplate<CFDE_XMLNode*, CXFA_TextParseContext*>
       m_mapXMLNodeToParseContext;
 };
 
 class CXFA_LoaderContext {
  public:
   CXFA_LoaderContext()
       : m_bSaveLineHeight(FALSE),
         m_fWidth(0),
@@ skipping 265 matching lines @@
   CXFA_LoaderContext* m_pLoader;
   int32_t m_iLines;
   FX_FLOAT m_fMaxWidth;
   CXFA_TextParser m_textParser;
   CXFA_PieceLineArray m_pieceLines;
   CXFA_TextTabstopsContext* m_pTabstopContext;
   FX_BOOL m_bBlockContinue;
 };
 
 #endif  // XFA_FXFA_APP_XFA_TEXTLAYOUT_H_