Change class member variables in raw pointer type into unique_ptr

core/fpdfapi/fpdf_font/cpdf_font.cpp

 // Copyright 2016 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
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 
-#include <memory>
-
 #include "core/fpdfapi/fpdf_font/cpdf_truetypefont.h"
 #include "core/fpdfapi/fpdf_font/cpdf_type1font.h"
 #include "core/fpdfapi/fpdf_font/cpdf_type3font.h"
 #include "core/fpdfapi/fpdf_font/font_int.h"
 #include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h"
 #include "core/fpdfapi/fpdf_page/cpdf_pagemodule.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
@@ skipping 22 matching lines @@
   else
     return FALSE;
   return TRUE;
 }
 
 }  // namespace
 
 CPDF_Font::CPDF_Font()
     : m_pFontFile(nullptr),
       m_pFontDict(nullptr),
-      m_pToUnicodeMap(nullptr),
       m_bToUnicodeLoaded(FALSE),
       m_Flags(0),
       m_StemV(0),
       m_Ascent(0),
       m_Descent(0),
       m_ItalicAngle(0) {}
 
 CPDF_Font::~CPDF_Font() {
-  delete m_pToUnicodeMap;
-  m_pToUnicodeMap = nullptr;
-
   if (m_pFontFile) {
     m_pDocument->GetPageData()->ReleaseFontFileStreamAcc(
         const_cast<CPDF_Stream*>(m_pFontFile->GetStream()->AsStream()));
   }
 }
 
 bool CPDF_Font::IsType1Font() const {
   return false;
 }
 
@@ skipping 203 matching lines @@
     m_Descent = rect.bottom == rect.top ? m_FontBBox.bottom : rect.bottom;
   }
 }
 
 void CPDF_Font::LoadUnicodeMap() const {
   m_bToUnicodeLoaded = TRUE;
   CPDF_Stream* pStream = m_pFontDict->GetStreamBy("ToUnicode");
   if (!pStream) {
     return;
   }
-  m_pToUnicodeMap = new CPDF_ToUnicodeMap;
+  m_pToUnicodeMap.reset(new CPDF_ToUnicodeMap);
   m_pToUnicodeMap->Load(pStream);
 }
 
 int CPDF_Font::GetStringWidth(const FX_CHAR* pString, int size) {
   int offset = 0;
   int width = 0;
   while (offset < size) {
     uint32_t charcode = GetNextChar(pString, size, offset);
     width += GetCharWidthF(charcode);
   }
@@ skipping 150 matching lines @@
   }
 
   if (pCharNames && !pCharNames[charcode].IsEmpty())
     return pCharNames[charcode].c_str();
 
   const FX_CHAR* name = nullptr;
   if (iBaseEncoding)
     name = PDF_CharNameFromPredefinedCharSet(iBaseEncoding, charcode);
   return name && name[0] ? name : nullptr;
 }