Change JSONReader::ReadToValue to return a scoped_ptr

chrome/browser/local_discovery/privet_url_fetcher.cc

Index: chrome/browser/local_discovery/privet_url_fetcher.cc
diff --git a/chrome/browser/local_discovery/privet_url_fetcher.cc b/chrome/browser/local_discovery/privet_url_fetcher.cc
index 0a76ed2bc4362b241b70e6924bdb54746f703f66..96726df3f23cfaff68c2a3ebac41e81a3572bcad 100644
--- a/chrome/browser/local_discovery/privet_url_fetcher.cc
+++ b/chrome/browser/local_discovery/privet_url_fetcher.cc
@@ -303,10 +303,7 @@ void PrivetURLFetcher::OnURLFetchCompleteParseData(
   }
 
   base::JSONReader json_reader(base::JSON_ALLOW_TRAILING_COMMAS);
-  scoped_ptr<base::Value> value;
-
-  value.reset(json_reader.ReadToValue(response_str));
-
+  scoped_ptr<base::Value> value = json_reader.ReadToValue(response_str);
   if (!value) {
     delegate_->OnError(this, JSON_PARSE_ERROR);
     return;