Cleanup: Do not check pointers before deleting them.

core/src/fpdfdoc/doc_vt.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/fpdfdoc/fpdf_doc.h"
 #include "../../include/fpdfdoc/fpdf_vt.h"
 #include "pdf_vt.h"
 const uint8_t gFontSizeSteps[] = {      4, 6, 8, 9, 10, 12, 14, 18, 20, 25,     30, 35, 40, 45, 50,     55, 60, 70, 80, 90,     100, 110, 120, 130, 144};
@@ skipping 804 matching lines @@
     m_wSubWord(0),
     m_fFontSize(0.0f),
     m_bInitial(FALSE),
     m_bRichText(FALSE),
     m_pVTProvider(NULL),
     m_pVTIterator(NULL)
 {
 }
 CPDF_VariableText::~CPDF_VariableText()
 {
-    if (m_pVTIterator) {
-        delete m_pVTIterator;
-        m_pVTIterator = NULL;
-    }
+    delete m_pVTIterator;
+    m_pVTIterator = NULL;
     ResetAll();
 }
 void CPDF_VariableText::Initialize()
 {
     if (!m_bInitial) {
         CPVT_SectionInfo secinfo;
         if (m_bRichText) {
             secinfo.pSecProps = new CPVT_SecProps(0.0f, 0.0f, 0);
             secinfo.pWordProps = new CPVT_WordProps(GetDefaultFontIndex(), PVT_DEFAULT_FONTSIZE, 0, 0, 0);
         }
@@ skipping 1009 matching lines @@
         if (pSection->m_SecInfo.pSecProps) {
             *pSection->m_SecInfo.pSecProps = section.SecProps;
         }
         if (pSection->m_SecInfo.pWordProps) {
             *pSection->m_SecInfo.pWordProps = section.WordProps;
         }
         return TRUE;
     }
     return FALSE;
 }