Revert of Fix loading page using hint tables.

core/fpdfapi/parser/cpdf_document_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/parser/cpdf_document.h"
-
-#include <memory>
-
-#include "core/fpdfapi/parser/cpdf_parser.h"
-#include "core/fpdfapi/parser/cpdf_dictionary.h"
-#include "core/fxcrt/fx_memory.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-using ScopedDictionary =
-    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>>;
-
-}  // namespace
-
-TEST(cpdf_document, UseCachedPageObjNumIfHaveNotPagesDict) {
-  // ObjNum can be added in CPDF_DataAvail::IsPageAvail, and PagesDict
-  // can be not exists in this case.
-  // (case, when hint table is used to page check in CPDF_DataAvail).
-  std::unique_ptr<CPDF_Parser> parser(new CPDF_Parser());
-  CPDF_Document document(std::move(parser));
-  ScopedDictionary dict(new CPDF_Dictionary());
-  const int page_count = 100;
-  dict->SetIntegerFor("N", page_count);
-  document.LoadLinearizedDoc(dict.get());
-  ASSERT_EQ(page_count, document.GetPageCount());
-  CPDF_Object* page_stub = new CPDF_Dictionary();
-  const uint32_t obj_num = document.AddIndirectObject(page_stub);
-  const int test_page_num = 33;
-
-  EXPECT_FALSE(document.IsPageLoaded(test_page_num));
-  EXPECT_EQ(nullptr, document.GetPage(test_page_num));
-
-  document.SetPageObjNum(test_page_num, obj_num);
-  EXPECT_TRUE(document.IsPageLoaded(test_page_num));
-  EXPECT_EQ(page_stub, document.GetPage(test_page_num));
-}