Make DictionaryValue::DeepCopyWithoutEmptyChildren return a scoped_ptr

rlz/chromeos/lib/rlz_value_store_chromeos.cc

Index: rlz/chromeos/lib/rlz_value_store_chromeos.cc
diff --git a/rlz/chromeos/lib/rlz_value_store_chromeos.cc b/rlz/chromeos/lib/rlz_value_store_chromeos.cc
index 45f2500e7a4795bf0b399f0945b0b79374e5414f..b02ce34c5e121cda8e39e323b292b70c41057871 100644
--- a/rlz/chromeos/lib/rlz_value_store_chromeos.cc
+++ b/rlz/chromeos/lib/rlz_value_store_chromeos.cc
@@ -231,8 +231,8 @@ void RlzValueStoreChromeOS::WriteStore() {
   std::string json_data;
   JSONStringValueSerializer serializer(&json_data);
   serializer.set_pretty_print(true);
-  scoped_ptr<base::DictionaryValue> copy(
-      rlz_store_->DeepCopyWithoutEmptyChildren());
+  scoped_ptr<base::DictionaryValue> copy =
+      rlz_store_->DeepCopyWithoutEmptyChildren();
   if (!serializer.Serialize(*copy.get())) {
     LOG(ERROR) << "Failed to serialize RLZ data";
     NOTREACHED();