Properly ref-count CFGAS_GEFont with CFX_RetainPtr.

xfa/fxfa/app/xfa_ffwidgetacc.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/fxfa/app/xfa_ffwidgetacc.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 1480 matching lines @@
   if (pData->m_pDIBitmap && !pData->m_bNamedImage)
     delete pData->m_pDIBitmap;
 
   pData->m_pDIBitmap = newImage;
 }
 
 CXFA_WidgetLayoutData* CXFA_WidgetAcc::GetWidgetLayoutData() {
   return m_pLayoutData.get();
 }
 
-CFGAS_GEFont* CXFA_WidgetAcc::GetFDEFont() {
+CFX_RetainPtr<CFGAS_GEFont> CXFA_WidgetAcc::GetFDEFont() {
   CFX_WideStringC wsFontName = FX_WSTRC(L"Courier");
   uint32_t dwFontStyle = 0;
   if (CXFA_Font font = GetFont()) {
-    if (font.IsBold()) {
+    if (font.IsBold())
       dwFontStyle |= FX_FONTSTYLE_Bold;
-    }
-    if (font.IsItalic()) {
+    if (font.IsItalic())
       dwFontStyle |= FX_FONTSTYLE_Italic;
-    }
     font.GetTypeface(wsFontName);
   }
-  CXFA_FFDoc* pDoc = GetDoc();
+
+  auto pDoc = GetDoc();
   return pDoc->GetApp()->GetXFAFontMgr()->GetFont(pDoc, wsFontName,
                                                   dwFontStyle);
 }
 FX_FLOAT CXFA_WidgetAcc::GetFontSize() {
   FX_FLOAT fFontSize = 10.0f;
   if (CXFA_Font font = GetFont()) {
     fFontSize = font.GetFontSize();
   }
   return fFontSize < 0.1f ? 10.0f : fFontSize;
 }
@@ skipping 147 matching lines @@
     if (pIDNode) {
       pEmbAcc = static_cast<CXFA_WidgetAcc*>(pIDNode->GetWidgetData());
     }
     if (pEmbAcc) {
       pEmbAcc->GetValue(wsValue, XFA_VALUEPICTURE_Display);
       return true;
     }
   }
   return false;
 }