Cleanup: Do not check pointers before deleting them.

core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.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_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../fpdf_page/pageint.h"
 #include <limits.h>
@@ skipping 1026 matching lines @@
         FX_DWORD glyph = pEncoding->GlyphFromCharCode(stem_chars[0]);
         nStemV = pFont->GetGlyphWidth(glyph);
         for (size_t i = 1; i < count; i++) {
             glyph = pEncoding->GlyphFromCharCode(stem_chars[i]);
             int width = pFont->GetGlyphWidth(glyph);
             if (width > 0 && width < nStemV) {
                 nStemV = width;
             }
         }
     }
-    if (pEncoding) {
-        delete pEncoding;
-    }
+    delete pEncoding;
     pFontDesc->SetAtInteger("StemV", nStemV);
     AddIndirectObject(pFontDesc);
     pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
     return LoadFont(pBaseDict);
 }
 static int InsertDeletePDFPage(CPDF_Document* pDoc, CPDF_Dictionary* pPages,
                                int nPagesToGo, CPDF_Dictionary* pPage, FX_BOOL bInsert, CFX_PtrArray& stackList)
 {
     CPDF_Array* pKidList = pPages->GetArray("Kids");
     if (!pKidList) {
@@ skipping 114 matching lines @@
 void FPDFAPI_FlatPageAttr(CPDF_Dictionary* pPageDict, const CFX_ByteStringC& name)
 {
     if (pPageDict->KeyExist(name)) {
         return;
     }
     CPDF_Object* pObj = FPDFAPI_GetPageAttr(pPageDict, name);
     if (pObj) {
         pPageDict->SetAt(name, pObj->Clone());
     }
 }