Use smart pointers for class owned pointers in xfa/fxfa

xfa/fwl/theme/cfwl_widgettp.cpp

 // 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
 
 #include "xfa/fwl/theme/cfwl_widgettp.h"
 
 #include <algorithm>
 
@@ skipping 679 matching lines @@
   }
   CFWL_ArrowData::CColorData* pColorData =
       CFWL_ArrowData::GetInstance()->m_pColorData.get();
   DrawArrow(pGraphics, pRect, eDict, pColorData->clrSign[eState - 1], pMatrix);
 }
 
 CFWL_ArrowData::CFWL_ArrowData() : m_pColorData(nullptr) {
   SetColorData(0);
 }
 
-CFWL_FontData::CFWL_FontData()
-    : m_dwStyles(0),
-      m_dwCodePage(0),
-      m_pFont(0),
-      m_pFontMgr(nullptr)
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-      ,
-      m_pFontSource(nullptr)
-#endif
-{
-}
+CFWL_FontData::CFWL_FontData() : m_dwStyles(0), m_dwCodePage(0) {}
 
-CFWL_FontData::~CFWL_FontData() {
-  if (m_pFont) {
-    m_pFont->Release();
-  }
-  if (m_pFontMgr) {
-    m_pFontMgr->Release();
-  }
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
-  if (m_pFontSource) {
-    m_pFontSource->Release();
-  }
-#endif
-}
+CFWL_FontData::~CFWL_FontData() {}
 
 FX_BOOL CFWL_FontData::Equal(const CFX_WideStringC& wsFontFamily,
                              uint32_t dwFontStyles,
                              uint16_t wCodePage) {
   return m_wsFamily == wsFontFamily && m_dwStyles == dwFontStyles &&
          m_dwCodePage == wCodePage;
 }
 
 FX_BOOL CFWL_FontData::LoadFont(const CFX_WideStringC& wsFontFamily,
                                 uint32_t dwFontStyles,
                                 uint16_t dwCodePage) {
   m_wsFamily = wsFontFamily;
   m_dwStyles = dwFontStyles;
   m_dwCodePage = dwCodePage;
   if (!m_pFontMgr) {
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
     m_pFontMgr = IFGAS_FontMgr::Create(FX_GetDefFontEnumerator());
 #else
-    m_pFontSource = new CFX_FontSourceEnum_File;
-    m_pFontMgr = IFGAS_FontMgr::Create(m_pFontSource);
+    m_pFontSource.reset(new CFX_FontSourceEnum_File);
+    m_pFontMgr = IFGAS_FontMgr::Create(m_pFontSource.get());
 #endif
   }
-  m_pFont = CFGAS_GEFont::LoadFont(wsFontFamily.c_str(), dwFontStyles,
-                                   dwCodePage, m_pFontMgr);
+  m_pFont.reset(CFGAS_GEFont::LoadFont(wsFontFamily.c_str(), dwFontStyles,
+                                       dwCodePage, m_pFontMgr.get()));
   return !!m_pFont;
 }
 
 CFWL_FontManager* CFWL_FontManager::s_FontManager = nullptr;
 CFWL_FontManager* CFWL_FontManager::GetInstance() {
   if (!s_FontManager)
     s_FontManager = new CFWL_FontManager;
   return s_FontManager;
 }
 
@@ skipping 29 matching lines @@
   CFWL_FontManager::DestroyInstance();
 }
 
 uint32_t FWL_GetThemeLayout(uint32_t dwThemeID) {
   return 0xffff0000 & dwThemeID;
 }
 
 uint32_t FWL_GetThemeColor(uint32_t dwThemeID) {
   return 0x0000ffff & dwThemeID;
 }