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

core/fpdfdoc/cpdf_formcontrol.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/cpdf_formcontrol.h"
 
 #include <algorithm>
 
@@ skipping 50 matching lines @@
 
   CFX_ByteString csAS = m_pWidgetDict->GetStringFor("AS", "Off");
   if (csAS != "Off")
     m_pWidgetDict->SetNameFor("AS", csValue);
 
   CPDF_Dictionary* pAP = m_pWidgetDict->GetDictFor("AP");
   if (!pAP)
     return;
 
   for (const auto& it : *pAP) {
-    CPDF_Object* pObj1 = it.second.get();
+    CPDF_Object* pObj1 = it.second;
     if (!pObj1)
       continue;
 
     CPDF_Object* pObjDirect1 = pObj1->GetDirect();
     CPDF_Dictionary* pSubDict = pObjDirect1->AsDictionary();
     if (!pSubDict)
       continue;
 
     auto subdict_it = pSubDict->begin();
     while (subdict_it != pSubDict->end()) {
       const CFX_ByteString& csKey2 = subdict_it->first;
-      CPDF_Object* pObj2 = subdict_it->second.get();
+      CPDF_Object* pObj2 = subdict_it->second;
       ++subdict_it;
       if (!pObj2)
         continue;
       if (csKey2 != "Off") {
         pSubDict->ReplaceKey(csKey2, csValue);
         break;
       }
     }
   }
 }
@@ skipping 227 matching lines @@
   if (!m_pWidgetDict)
     return 0;
   if (m_pWidgetDict->KeyExist("Q"))
     return m_pWidgetDict->GetIntegerFor("Q", 0);
 
   CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "Q");
   if (pObj)
     return pObj->GetInteger();
   return m_pField->m_pForm->GetFormAlignment();
 }