Simplify constructors translation, improve code style.

pkg/analyzer_experimental/test/generated/test_support.dart

Index: pkg/analyzer_experimental/test/generated/test_support.dart
diff --git a/pkg/analyzer_experimental/test/generated/test_support.dart b/pkg/analyzer_experimental/test/generated/test_support.dart
index 3cc574d70f5621fe9646b8de9b40f6d3f40005af..f51b03c49b536b7b96bc11a439f4ba84453407ac 100644
--- a/pkg/analyzer_experimental/test/generated/test_support.dart
+++ b/pkg/analyzer_experimental/test/generated/test_support.dart
@@ -47,21 +47,14 @@ class GatheringErrorListener implements AnalysisErrorListener {
   /**
    * Initialize a newly created error listener to collect errors.
    */
-  GatheringErrorListener() : super() {
-    _jtd_constructor_364_impl();
-  }
-  _jtd_constructor_364_impl() {
-  }
+  GatheringErrorListener() : super();
 
   /**
    * Initialize a newly created error listener to collect errors.
    */
-  GatheringErrorListener.con1(String rawSource2) {
-    _jtd_constructor_365_impl(rawSource2);
-  }
-  _jtd_constructor_365_impl(String rawSource2) {
-    this._rawSource = rawSource2;
-    this._markedSource = rawSource2;
+  GatheringErrorListener.con1(String rawSource) {
+    this._rawSource = rawSource;
+    this._markedSource = rawSource;
   }
 
   /**