Remove foo != NULL outside of xfa/

core/src/fpdfdoc/doc_form.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 "core/include/fpdfdoc/fpdf_doc.h"
 #include "core/src/fpdfdoc/doc_utils.h"
 #include "third_party/base/stl_util.h"
 
@@ skipping 375 matching lines @@
   if (pcsFontName) {
     strcpy(lf.lfFaceName, pcsFontName);
   }
   return RetrieveSpecificFont(lf);
 }
 #ifdef PDF_ENABLE_XFA
 static FX_BOOL RetrieveStockFont(int iFontObject,
                                  uint8_t charSet,
                                  LOGFONTA& lf) {
   HFONT hFont = (HFONT)::GetStockObject(iFontObject);
-  if (hFont != NULL) {
+  if (hFont) {
     memset(&lf, 0, sizeof(LOGFONTA));
     int iRet = ::GetObject(hFont, sizeof(LOGFONTA), &lf);
     if (iRet > 0 && (lf.lfCharSet == charSet || charSet == 255)) {
       return RetrieveSpecificFont(lf);
     }
   }
   return FALSE;
 }
 #endif  // PDF_ENABLE_XFA
 #endif  // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
@@ skipping 800 matching lines @@
     FDF_ImportField(pField, L"", bNotify);
   }
   if (bNotify && m_pFormNotify) {
     m_pFormNotify->AfterFormImportData(this);
   }
   return TRUE;
 }
 void CPDF_InterForm::SetFormNotify(const CPDF_FormNotify* pNotify) {
   m_pFormNotify = (CPDF_FormNotify*)pNotify;
 }