Remove base::Value::CreateNullValue

components/dom_distiller/core/distiller_unittest.cc

 // Copyright 2013 The Chromium 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 "components/dom_distiller/core/distiller.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "components/dom_distiller/core/article_distillation_update.h"
 #include "components/dom_distiller/core/distiller_page.h"
 #include "components/dom_distiller/core/fake_distiller_page.h"
 #include "components/dom_distiller/core/proto/distilled_article.pb.h"
@@ skipping 496 matching lines @@
       CreateMockDistillerPages(distiller_data.get(), kMaxPagesInArticle, 0));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kTitle, article_proto_->title());
   EXPECT_EQ(kMaxPagesInArticle,
             static_cast<size_t>(article_proto_->pages_size()));
 }
 
 TEST_F(DistillerTest, SinglePageDistillationFailure) {
   base::MessageLoopForUI loop;
   // To simulate failure return a null value.
-  std::unique_ptr<base::Value> null_value = base::Value::CreateNullValue();
+  auto null_value = base::MakeUnique<base::Value>();
   distiller_.reset(
       new DistillerImpl(url_fetcher_factory_, DomDistillerOptions()));
   DistillPage(kURL, CreateMockDistillerPage(null_value.get(), GURL(kURL)));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ("", article_proto_->title());
   EXPECT_EQ(0, article_proto_->pages_size());
 }
 
 TEST_F(DistillerTest, MultiplePagesDistillationFailure) {
   base::MessageLoopForUI loop;
   const size_t kNumPages = 8;
   std::unique_ptr<MultipageDistillerData> distiller_data =
       CreateMultipageDistillerDataWithoutImages(kNumPages);
 
   // The page number of the failed page.
   size_t failed_page_num = 3;
   // reset distilled data of the failed page.
   distiller_data->distilled_values.erase(
       distiller_data->distilled_values.begin() + failed_page_num);
   distiller_data->distilled_values.insert(
       distiller_data->distilled_values.begin() + failed_page_num,
-      base::Value::CreateNullValue());
+      base::MakeUnique<base::Value>());
   // Expect only calls till the failed page number.
   distiller_.reset(
       new DistillerImpl(url_fetcher_factory_, DomDistillerOptions()));
   DistillPage(
       distiller_data->page_urls[0],
       CreateMockDistillerPages(distiller_data.get(), failed_page_num + 1, 0));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kTitle, article_proto_->title());
   VerifyArticleProtoMatchesMultipageData(
       article_proto_.get(), distiller_data.get(), failed_page_num, kNumPages);
@@ skipping 184 matching lines @@
 
   ASSERT_TRUE(distiller_page);
   // Post the task to execute javascript and then delete the distiller.
   distiller_page->OnDistillationDone(GURL(kURL), distilled_value.get());
   distiller_.reset();
 
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace dom_distiller