Do not check pointers before deleting them.

xfa/fgas/font/fgas_stdfontmgr.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/fgas/font/fgas_stdfontmgr.h"
 
 #include "core/fxcrt/include/fx_stream.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
@@ skipping 606 matching lines @@
 }
 void CFX_FontMgrImp::Release() {
   for (int32_t i = 0; i < m_InstalledFonts.GetSize(); i++) {
     delete m_InstalledFonts[i];
   }
   FX_POSITION pos = m_Hash2CandidateList.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
     CFX_FontDescriptorInfos* pDescs;
     m_Hash2CandidateList.GetNextAssoc(pos, dwHash, pDescs);
-    if (NULL != pDescs) {
-      delete pDescs;
-    }
+    delete pDescs;
   }
   pos = m_Hash2Fonts.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
     CFX_ArrayTemplate<IFX_Font*>* pFonts;
     m_Hash2Fonts.GetNextAssoc(pos, dwHash, pFonts);
-    if (NULL != pFonts) {
-      delete pFonts;
-    }
+    delete pFonts;
   }
   m_Hash2Fonts.RemoveAll();
   pos = m_Hash2FileAccess.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
     IFX_FileAccess* pFileAccess;
     m_Hash2FileAccess.GetNextAssoc(pos, dwHash, pFileAccess);
     if (NULL != pFileAccess) {
       pFileAccess->Release();
     }
@@ skipping 551 matching lines @@
     }
   }
   return nPenalty;
 }
 void CFX_FontMgrImp::ClearFontCache() {
   FX_POSITION pos = m_Hash2CandidateList.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
     CFX_FontDescriptorInfos* pDescs;
     m_Hash2CandidateList.GetNextAssoc(pos, dwHash, pDescs);
-    if (NULL != pDescs) {
-      delete pDescs;
-    }
+    delete pDescs;
   }
   pos = m_FileAccess2IFXFont.GetStartPosition();
   while (pos) {
     uint32_t dwHash;
     IFX_Font* pFont;
     m_FileAccess2IFXFont.GetNextAssoc(pos, dwHash, pFont);
     if (NULL != pFont) {
       pFont->Release();
     }
   }
@@ skipping 269 matching lines @@
   }
 }
 int32_t CFX_FontMgrImp::IsPartName(const CFX_WideString& Name1,
                                    const CFX_WideString& Name2) {
   if (Name1.Find(Name2.c_str()) != -1) {
     return 1;
   }
   return 0;
 }
 #endif