Issue 19799. Merge getter/setter pairs into fields when create missing overrides.

pkg/analysis_server/lib/src/services/correction/fix.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library services.correction.fix;
 
 import 'package:analysis_server/src/protocol.dart' show SourceChange;
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analysis_server/src/services/correction/fix_internal.dart';
 import 'package:analyzer/src/generated/ast.dart';
@@ skipping 52 matching lines @@
       const FixKind('CREATE_CLASS', 50, "Create class '{0}'");
   static const CREATE_CONSTRUCTOR =
       const FixKind('CREATE_CONSTRUCTOR', 50, "Create constructor '{0}'");
   static const CREATE_CONSTRUCTOR_SUPER =
       const FixKind('CREATE_CONSTRUCTOR_SUPER', 50, "Create constructor to call {0}");
   static const CREATE_FUNCTION =
       const FixKind('CREATE_FUNCTION', 49, "Create function '{0}'");
   static const CREATE_METHOD =
       const FixKind('CREATE_METHOD', 50, "Create method '{0}'");
   static const CREATE_MISSING_OVERRIDES =
-      const FixKind('CREATE_MISSING_OVERRIDES', 50, "Create %d missing override(s)");
+      const FixKind('CREATE_MISSING_OVERRIDES', 50, "Create {0} missing override(s)");
   static const CREATE_NO_SUCH_METHOD =
       const FixKind('CREATE_NO_SUCH_METHOD', 49, "Create 'noSuchMethod' method");
   static const CREATE_PART =
       const FixKind('CREATE_PART', 50, "Create part '{0}'");
   static const IMPORT_LIBRARY_PREFIX =
       const FixKind(
           'IMPORT_LIBRARY_PREFIX',
           51,
           "Use imported library '{0}' with prefix '{1}'");
   static const IMPORT_LIBRARY_PROJECT =
@@ skipping 39 matching lines @@
 
   final name;
   final int relevance;
   final String message;
 
   const FixKind(this.name, this.relevance, this.message);
 
   @override
   String toString() => name;
 }