Make AddIndirectObject() take a unique_ptr.

fpdfsdk/fpdfdoc_unittest.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.
 
 #include "public/fpdf_doc.h"
 
 #include <memory>
 #include <vector>
 
 #include "core/fpdfapi/cpdf_modulemgr.h"
@@ skipping 63 matching lines @@
     m_pRootObj.reset();
     m_pIndirectObjs = nullptr;
     m_pDoc.reset();
     CPDF_ModuleMgr::Destroy();
   }
 
   std::vector<DictObjInfo> CreateDictObjs(int num) {
     std::vector<DictObjInfo> info;
     for (int i = 0; i < num; ++i) {
       // Objects created will be released by the document.
-      CPDF_Dictionary* obj = new CPDF_Dictionary();
-      info.push_back({m_pIndirectObjs->AddIndirectObject(obj), obj});
+      CPDF_Dictionary* obj = m_pIndirectObjs->NewIndirect<CPDF_Dictionary>();
+      info.push_back({obj->GetObjNum(), obj});
     }
     return info;
   }
 
  protected:
   std::unique_ptr<CPDF_TestPdfDocument> m_pDoc;
   CPDF_IndirectObjectHolder* m_pIndirectObjs;
   std::unique_ptr<CPDF_Dictionary> m_pRootObj;
 };
 
@@ skipping 168 matching lines @@
   EXPECT_TRUE(FPDFDest_GetLocationInPage(array.get(), &hasX, &hasY, &hasZoom,
                                          &x, &y, &zoom));
   EXPECT_FALSE(hasX);
   EXPECT_FALSE(hasY);
   EXPECT_FALSE(hasZoom);
 
   array = pdfium::MakeUnique<CPDF_Array>();
   EXPECT_FALSE(FPDFDest_GetLocationInPage(array.get(), &hasX, &hasY, &hasZoom,
                                           &x, &y, &zoom));
 }