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

chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc

Index: chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc
diff --git a/chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc b/chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc
index 7a3387b695ed2227108d0116f33fcbf0cff0b2ca..14f38e3500c1c73588574f2c1ae14208ea4f3bad 100644
--- a/chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc
+++ b/chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary_unittest.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/supervised_user/child_accounts/permission_request_creator_apiary.h"
 
 #include <memory>
+#include <utility>
 
 #include "base/json/json_writer.h"
 #include "base/message_loop/message_loop.h"
@@ -23,9 +24,9 @@ const char kAccountId[] = "account@gmail.com";
 
 std::string BuildResponse() {
   base::DictionaryValue dict;
-  base::DictionaryValue* permission_dict = new base::DictionaryValue;
+  auto permission_dict = base::MakeUnique<base::DictionaryValue>();
   permission_dict->SetStringWithoutPathExpansion("id", "requestid");
-  dict.SetWithoutPathExpansion("permissionRequest", permission_dict);
+  dict.SetWithoutPathExpansion("permissionRequest", std::move(permission_dict));
   std::string result;
   base::JSONWriter::Write(dict, &result);
   return result;