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

remoting/test/host_info.cc

Index: remoting/test/host_info.cc
diff --git a/remoting/test/host_info.cc b/remoting/test/host_info.cc
index c8069739ccbc1f66e98221706d0371c2eed3f950..5f5321f65ecf56e9d303e03b3d870eaab6c120b7 100644
--- a/remoting/test/host_info.cc
+++ b/remoting/test/host_info.cc
@@ -20,7 +20,7 @@ bool HostInfo::ParseHostInfo(const base::DictionaryValue& host_info) {
   // Add TokenUrlPatterns to HostInfo.
   if (host_info.GetList("tokenUrlPatterns", &list_value)) {
     if (!list_value->empty()) {
-      for (base::Value* item : *list_value) {
+      for (const auto& item : *list_value) {
         std::string token_url_pattern;
         if (!item->GetAsString(&token_url_pattern)) {
           return false;