Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //net

net/base/address_list.cc

Index: net/base/address_list.cc
diff --git a/net/base/address_list.cc b/net/base/address_list.cc
index 754b396a9ec664bb6a57ae8947e8c27b7b3b7bbf..5ef9675df02c61d39e6fe0ebd10a1351d181528a 100644
--- a/net/base/address_list.cc
+++ b/net/base/address_list.cc
@@ -23,7 +23,7 @@ std::unique_ptr<base::Value> NetLogAddressListCallback(
 
   for (AddressList::const_iterator it = address_list->begin();
        it != address_list->end(); ++it) {
-    list->Append(new base::StringValue(it->ToString()));
+    list->AppendString(it->ToString());
   }
 
   dict->Set("address_list", std::move(list));