Remove CPDF_Object::Release() in favor of direct delete

core/fpdfapi/fpdf_parser/cpdf_array_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 "core/fpdfapi/fpdf_parser/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_number.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_reference.h"
 
 #include <memory>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
-using ScopedArray = std::unique_ptr<CPDF_Array, ReleaseDeleter<CPDF_Array>>;
+using ScopedArray = std::unique_ptr<CPDF_Array>;
 
 }  // namespace
 
 TEST(cpdf_array, RemoveAt) {
   {
     int elems[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
     ScopedArray arr(new CPDF_Array);
     for (size_t i = 0; i < FX_ArraySize(elems); ++i)
       arr->AddInteger(elems[i]);
     arr->RemoveAt(3, 3);
@@ skipping 145 matching lines @@
 TEST(cpdf_array, Iterator) {
   int elems[] = {-23, -11,     3,         455,   2345877,
                  0,   7895330, -12564334, 10000, -100000};
   ScopedArray arr(new CPDF_Array);
   for (size_t i = 0; i < FX_ArraySize(elems); ++i)
     arr->InsertAt(i, new CPDF_Number(elems[i]));
   size_t index = 0;
   for (const auto& it : *arr)
     EXPECT_EQ(elems[index++], it->AsNumber()->GetInteger());
 }