Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

remoting/test/host_list_fetcher.cc

Index: remoting/test/host_list_fetcher.cc
diff --git a/remoting/test/host_list_fetcher.cc b/remoting/test/host_list_fetcher.cc
index 3b1c6b4fa7124e7e3299affa334be53fc7a68d12..5cb46d565f37feef3e499f36a990b528dece06c1 100644
--- a/remoting/test/host_list_fetcher.cc
+++ b/remoting/test/host_list_fetcher.cc
@@ -88,7 +88,7 @@ bool HostListFetcher::ProcessResponse(
 
   // Any host_info with malformed data will not be added to the hostlist.
   base::DictionaryValue* host_dict;
-  for (base::Value* host_info : *hosts) {
+  for (const auto& host_info : *hosts) {
     HostInfo host;
     if (host_info->GetAsDictionary(&host_dict) &&
         host.ParseHostInfo(*host_dict)) {