Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

net/log/net_log_util.cc

Index: net/log/net_log_util.cc
diff --git a/net/log/net_log_util.cc b/net/log/net_log_util.cc
index 23088691210558d2f0fbab1d4e7db9b0e3aef844..b9df667af18416f567e3994d3ccf10310f6eaed6 100644
--- a/net/log/net_log_util.cc
+++ b/net/log/net_log_util.cc
@@ -385,7 +385,8 @@ NET_EXPORT std::unique_ptr<base::DictionaryValue> GetNetInfo(
         const HostCache::Key& key = pair.first;
         const HostCache::Entry& entry = pair.second;
 
-        base::DictionaryValue* entry_dict = new base::DictionaryValue();
+        std::unique_ptr<base::DictionaryValue> entry_dict(
+            new base::DictionaryValue());
 
         entry_dict->SetString("hostname", key.hostname);
         entry_dict->SetInteger("address_family",
@@ -404,7 +405,7 @@ NET_EXPORT std::unique_ptr<base::DictionaryValue> GetNetInfo(
           entry_dict->Set("addresses", address_list);
         }
 
-        entry_list->Append(entry_dict);
+        entry_list->Append(std::move(entry_dict));
       }
 
       cache_info_dict->Set("entries", entry_list);