Remove base::Value::CreateNullValue

content/common/common_param_traits_unittest.cc

Index: content/common/common_param_traits_unittest.cc
diff --git a/content/common/common_param_traits_unittest.cc b/content/common/common_param_traits_unittest.cc
index c5acf22ac2f080e9fd6916ffd7efcb6dbcf41ce1..c9006cf39b5f58573ce1ece582a7ab821903c291 100644
--- a/content/common/common_param_traits_unittest.cc
+++ b/content/common/common_param_traits_unittest.cc
@@ -11,6 +11,7 @@
 #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"
@@ -84,7 +85,7 @@ 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);
@@ -104,7 +105,7 @@ TEST(IPCMessageTest, ListValue) {
 
 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));