Remove raw base::DictionaryValue::SetWithoutPathExpansion in //chrome

chrome/browser/safe_search_api/safe_search_url_checker_unittest.cc

Index: chrome/browser/safe_search_api/safe_search_url_checker_unittest.cc
diff --git a/chrome/browser/safe_search_api/safe_search_url_checker_unittest.cc b/chrome/browser/safe_search_api/safe_search_url_checker_unittest.cc
index 2d3235aa73850659c96ea65d7346e53c92214052..5d50e08634c035776d5be796b05b158c4ccee110 100644
--- a/chrome/browser/safe_search_api/safe_search_url_checker_unittest.cc
+++ b/chrome/browser/safe_search_api/safe_search_url_checker_unittest.cc
@@ -13,6 +13,7 @@
 #include "base/callback.h"
 #include "base/json/json_writer.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
@@ -51,9 +52,10 @@ std::string BuildResponse(bool is_porn) {
       new base::DictionaryValue);
   if (is_porn)
     classification_dict->SetBoolean("pornography", is_porn);
-  base::ListValue* classifications_list = new base::ListValue;
+  auto classifications_list = base::MakeUnique<base::ListValue>();
   classifications_list->Append(std::move(classification_dict));
-  dict.SetWithoutPathExpansion("classifications", classifications_list);
+  dict.SetWithoutPathExpansion("classifications",
+                               std::move(classifications_list));
   std::string result;
   base::JSONWriter::Write(dict, &result);
   return result;