Cleanup: Do not check pointers before deleting them.

core/src/fpdfapi/fpdf_font/fpdf_font_cid.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 "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_page.h"
 #include "font_int.h"
 #include "../fpdf_cmaps/cmap_int.h"
@@ skipping 282 matching lines @@
 {
     if (m_pMapping) {
         FX_Free(m_pMapping);
     }
     if (m_pAddMapping) {
         FX_Free(m_pAddMapping);
     }
     if (m_pLeadingBytes) {
         FX_Free(m_pLeadingBytes);
     }
-    if (m_pUseMap) {
-        delete m_pUseMap;
-    }
+    delete m_pUseMap;
 }
 void CPDF_CMap::Release()
 {
     if (m_PredefinedCMap.IsEmpty()) {
         delete this;
     }
 }
 const CPDF_PredefinedCMap g_PredefinedCMaps[] = {
     { "GB-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfe} },
     { "GBpc-EUC", CIDSET_GB1, CIDCODING_GB, CPDF_CMap::MixedTwoBytes, 1, {0xa1, 0xfc} },
@@ skipping 387 matching lines @@
     m_bCIDIsGID = FALSE;
     m_bAdobeCourierStd = FALSE;
     m_pTTGSUBTable = NULL;
     FXSYS_memset(m_CharBBox, 0xff, 256 * sizeof(FX_SMALL_RECT));
 }
 CPDF_CIDFont::~CPDF_CIDFont()
 {
     if (m_pAnsiWidths) {
         FX_Free(m_pAnsiWidths);
     }
-    if (m_pAllocatedCMap) {
-        delete m_pAllocatedCMap;
-    }
-    if (m_pCIDToGIDMap) {
-        delete m_pCIDToGIDMap;
-    }
-    if (m_pTTGSUBTable) {
-        delete m_pTTGSUBTable;
-    }
+    delete m_pAllocatedCMap;
+    delete m_pCIDToGIDMap;
+    delete m_pTTGSUBTable;
 }
 FX_WORD CPDF_CIDFont::CIDFromCharCode(FX_DWORD charcode) const
 {
     if (m_pCMap == NULL) {
         return (FX_WORD)charcode;
     }
     return m_pCMap->CIDFromCharCode(charcode);
 }
 FX_BOOL CPDF_CIDFont::IsVertWriting() const
 {
@@ skipping 860 matching lines @@
         if (middlecode > CID) {
             end = middle - 1;
         } else if (middlecode < CID) {
             begin = middle + 1;
         } else {
             return &Japan1_VertCIDs[middle].a;
         }
     }
     return NULL;
 }