Revert "Make CPDF_Object containers hold objects via unique pointers."

core/fpdfapi/page/fpdf_page_parser.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 "core/fpdfapi/page/pageint.h"
 
 #include <memory>
 #include <utility>
@@ skipping 79 matching lines @@
                           FX_ArraySize(PDF_InlineValueAbbr), abbr);
 }
 
 void PDF_ReplaceAbbr(CPDF_Object* pObj) {
   switch (pObj->GetType()) {
     case CPDF_Object::DICTIONARY: {
       CPDF_Dictionary* pDict = pObj->AsDictionary();
       std::vector<AbbrReplacementOp> replacements;
       for (const auto& it : *pDict) {
         CFX_ByteString key = it.first;
-        CPDF_Object* value = it.second.get();
+        CPDF_Object* value = it.second;
         CFX_ByteStringC fullname =
             PDF_FindFullName(PDF_InlineKeyAbbr, FX_ArraySize(PDF_InlineKeyAbbr),
                              key.AsStringC());
         if (!fullname.IsEmpty()) {
           AbbrReplacementOp op;
           op.is_replace_key = true;
           op.key = key;
           op.replacement = fullname;
           replacements.push_back(op);
           key = fullname;
@@ skipping 38 matching lines @@
         } else {
           PDF_ReplaceAbbr(pElement);
         }
       }
       break;
     }
     default:
       break;
   }
 }