Remove base::Value::CreateNullValue

content/common/common_param_traits_unittest.cc

 // Copyright (c) 2012 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 "content/public/common/common_param_traits.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "content/public/common/content_constants.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_utils.h"
 #include "net/base/host_port_pair.h"
 #include "printing/backend/print_backend.h"
 #include "printing/page_range.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 53 matching lines @@
   // Make sure we don't read out the bitmap!
   SkBitmap bad_output;
   iter = base::PickleIterator(bad_msg);
   EXPECT_FALSE(IPC::ParamTraits<SkBitmap>::Read(&bad_msg, &iter, &bad_output));
 }
 
 TEST(IPCMessageTest, ListValue) {
   base::ListValue input;
   input.Set(0, new base::Value(42.42));
   input.Set(1, new base::Value("forty"));
-  input.Set(2, base::Value::CreateNullValue());
+  input.Set(2, base::MakeUnique<base::Value>());
 
   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
   IPC::WriteParam(&msg, input);
 
   base::ListValue output;
   base::PickleIterator iter(msg);
   EXPECT_TRUE(IPC::ReadParam(&msg, &iter, &output));
 
   EXPECT_TRUE(input.Equals(&output));
 
   // Also test the corrupt case.
   IPC::Message bad_msg(1, 2, IPC::Message::PRIORITY_NORMAL);
   bad_msg.WriteInt(99);
   iter = base::PickleIterator(bad_msg);
   EXPECT_FALSE(IPC::ReadParam(&bad_msg, &iter, &output));
 }
 
 TEST(IPCMessageTest, DictionaryValue) {
   base::DictionaryValue input;
-  input.Set("null", base::Value::CreateNullValue());
+  input.Set("null", base::MakeUnique<base::Value>());
   input.Set("bool", new base::Value(true));
   input.Set("int", new base::Value(42));
 
   std::unique_ptr<base::DictionaryValue> subdict(new base::DictionaryValue());
   subdict->Set("str", new base::Value("forty two"));
   subdict->Set("bool", new base::Value(false));
 
   std::unique_ptr<base::ListValue> sublist(new base::ListValue());
   sublist->Set(0, new base::Value(42.42));
   sublist->Set(1, new base::Value("forty"));
@@ skipping 24 matching lines @@
 
   IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
   IPC::ParamTraits<net::HostPortPair>::Write(&msg, input);
 
   net::HostPortPair output;
   base::PickleIterator iter(msg);
   EXPECT_TRUE(IPC::ParamTraits<net::HostPortPair>::Read(&msg, &iter, &output));
   EXPECT_EQ(input.host(), output.host());
   EXPECT_EQ(input.port(), output.port());
 }