performance measurement: generate report

pkg/analysis_server/test/performance/log_file_input_converter.dart

Index: pkg/analysis_server/test/performance/log_file_input_converter.dart
diff --git a/pkg/analysis_server/test/performance/log_file_input_converter.dart b/pkg/analysis_server/test/performance/log_file_input_converter.dart
index c15c450165b49b59aa5da07fc25776b7c3907a5b..6e9e74e4acddcb04b30038aacd8f637a6ebb0155 100644
--- a/pkg/analysis_server/test/performance/log_file_input_converter.dart
+++ b/pkg/analysis_server/test/performance/log_file_input_converter.dart
@@ -35,8 +35,9 @@ class LogFileInputConverter extends CommonInputConverter {
         Map<String, dynamic> json = JSON.decode(data.substring(4));
         if (json.containsKey('event')) {
           return convertNotification(json);
+        } else {
+          return convertResponse(json);
         }
-        return null;
       } else if (data.startsWith(SENT_FRAGMENT)) {
         Map<String, dynamic> json = JSON.decode(data.substring(4));
         if (json.containsKey('method')) {