Make CPDF_Array take unique_ptrs

fpdfsdk/fpdfeditpage.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 "public/fpdf_edit.h"
 
 #include <algorithm>
 #include <memory>
@@ skipping 92 matching lines @@
   CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
   if (!pDoc)
     return nullptr;
 
   page_index = std::min(std::max(page_index, 0), pDoc->GetPageCount());
   CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
   if (!pPageDict)
     return nullptr;
 
   CPDF_Array* pMediaBoxArray = new CPDF_Array;
-  pMediaBoxArray->Add(new CPDF_Number(0));
-  pMediaBoxArray->Add(new CPDF_Number(0));
-  pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width)));
-  pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height)));
+  pMediaBoxArray->AddNew<CPDF_Number>(0);
+  pMediaBoxArray->AddNew<CPDF_Number>(0);
+  pMediaBoxArray->AddNew<CPDF_Number>(static_cast<FX_FLOAT>(width));
+  pMediaBoxArray->AddNew<CPDF_Number>(static_cast<FX_FLOAT>(height));
   pPageDict->SetFor("MediaBox", pMediaBoxArray);
   pPageDict->SetFor("Rotate", new CPDF_Number(0));
   pPageDict->SetFor("Resources",
                     new CPDF_Dictionary(pDoc->GetByteStringPool()));
 
 #ifdef PDF_ENABLE_XFA
   CPDFXFA_Page* pPage =
       new CPDFXFA_Page(static_cast<CPDFXFA_Context*>(document), page_index);
   pPage->LoadPDFPage(pPageDict);
 #else   // PDF_ENABLE_XFA
@@ skipping 164 matching lines @@
     CFX_FloatRect rect = pAnnot->GetRect();  // transformAnnots Rectangle
     CFX_Matrix matrix((FX_FLOAT)a, (FX_FLOAT)b, (FX_FLOAT)c, (FX_FLOAT)d,
                       (FX_FLOAT)e, (FX_FLOAT)f);
     rect.Transform(&matrix);
 
     CPDF_Array* pRectArray = pAnnot->GetAnnotDict()->GetArrayFor("Rect");
     if (!pRectArray) {
       pRectArray = new CPDF_Array;
       pAnnot->GetAnnotDict()->SetFor("Rect", pRectArray);
     }
-    pRectArray->SetAt(0, new CPDF_Number(rect.left));
-    pRectArray->SetAt(1, new CPDF_Number(rect.bottom));
-    pRectArray->SetAt(2, new CPDF_Number(rect.right));
-    pRectArray->SetAt(3, new CPDF_Number(rect.top));
+    pRectArray->SetNewAt<CPDF_Number>(0, rect.left);
+    pRectArray->SetNewAt<CPDF_Number>(1, rect.bottom);
+    pRectArray->SetNewAt<CPDF_Number>(2, rect.right);
+    pRectArray->SetNewAt<CPDF_Number>(3, rect.top);
 
     // TODO: Transform AP's rectangle
   }
 }
 
 DLLEXPORT void STDCALL FPDFPage_SetRotation(FPDF_PAGE page, int rotate) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!IsPageObject(pPage))
     return;
 
   CPDF_Dictionary* pDict = pPage->m_pFormDict;
   rotate %= 4;
   pDict->SetFor("Rotate", new CPDF_Number(rotate * 90));
 }