Return unique_ptr from CPDF_Object::Clone().

core/fpdfdoc/cpvt_generateap.cpp

 // Copyright 2016 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/fpdfdoc/cpvt_generateap.h"
 
 #include <algorithm>
 
@@ skipping 168 matching lines @@
     if (pStreamResList) {
       CPDF_Dictionary* pStreamResFontList = pStreamResList->GetDictFor("Font");
       if (!pStreamResFontList) {
         pStreamResFontList = new CPDF_Dictionary(pDoc->GetByteStringPool());
         pStreamResList->SetFor("Font", pStreamResFontList);
       }
       if (!pStreamResFontList->KeyExist(sFontName))
         pStreamResFontList->SetReferenceFor(sFontName, pDoc,
                                             pFontDict->GetObjNum());
     } else {
-      pStreamDict->SetFor("Resources", pFormDict->GetDictFor("DR")->Clone());
+      pStreamDict->SetFor("Resources",
+                          pFormDict->GetDictFor("DR")->Clone().release());
       pStreamResList = pStreamDict->GetDictFor("Resources");
     }
   }
   switch (nWidgetType) {
     case 0: {
       CFX_WideString swValue =
           FPDF_GetFieldAttr(pAnnotDict, "V")
               ? FPDF_GetFieldAttr(pAnnotDict, "V")->GetUnicodeText()
               : CFX_WideString();
       int32_t nAlign = FPDF_GetFieldAttr(pAnnotDict, "Q")
@@ skipping 230 matching lines @@
         CPDF_Dictionary* pStreamResFontList =
             pStreamResList->GetDictFor("Font");
         if (!pStreamResFontList) {
           pStreamResFontList = new CPDF_Dictionary(pDoc->GetByteStringPool());
           pStreamResList->SetFor("Font", pStreamResFontList);
         }
         if (!pStreamResFontList->KeyExist(sFontName))
           pStreamResFontList->SetReferenceFor(sFontName, pDoc,
                                               pFontDict->GetObjNum());
       } else {
-        pStreamDict->SetFor("Resources", pFormDict->GetDictFor("DR")->Clone());
+        pStreamDict->SetFor("Resources",
+                            pFormDict->GetDictFor("DR")->Clone().release());
         pStreamResList = pStreamDict->GetDictFor("Resources");
       }
     }
   }
   return true;
 }
 
 CFX_ByteString GetColorStringWithDefault(CPDF_Array* pColor,
                                          const CPVT_Color& crDefaultColor,
                                          PaintOperation nOperation) {
@@ skipping 902 matching lines @@
                                                  int32_t nFontIndex,
                                                  FX_FLOAT fFontSize) {
   CFX_ByteTextBuf sRet;
   if (pFontMap) {
     CFX_ByteString sFontAlias = pFontMap->GetPDFFontAlias(nFontIndex);
     if (sFontAlias.GetLength() > 0 && fFontSize > 0)
       sRet << "/" << sFontAlias << " " << fFontSize << " Tf\n";
   }
   return sRet.MakeString();
 }