New scenario and local benchmark - refactoring after change.

pkg/analysis_server/benchmark/perf/benchmark_local.dart

 // Copyright (c) 2016, 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 server.performance.local;
 
+import 'package:analysis_server/plugin/protocol/protocol.dart';
+
 import 'benchmark_scenario.dart';
 
 main(List<String> args) async {
   String pathRepository = args[0];
   String pathServer = '$pathRepository/pkg/analysis_server';
   String pathAnalyzer = '$pathRepository/pkg/analyzer';
   {
     String now = new DateTime.now().toUtc().toIso8601String();
     print('Benchmark started: $now');
     print('');
@@ skipping 144 matching lines @@
             roots: [pathServer, pathAnalyzer],
             file: '$pathAnalyzer/lib/src/task/dart.dart',
             fileChange: new FileChange(
                 afterStr: 'DeltaResult validate(In',
                 afterStrBack: 3,
                 insertStr: 'NewName'),
             completeAfterStr: 'if (hasDirectiveChange) {',
             numOfRepeats: 5);
     printBenchmarkResults(id, description, times);
   }
+
+  {
+    String id = 'local-refactoring-1';
+    String description = r'''
+1. Open 'analyzer'.
+2. Change the name of a public method in src/context/cache.dart.
+3. Request rename refactoring for `getSourcesWithFullName` and measure time to get results.
+4. Rollback changes to the file and wait for analysis.
+5. Go to (2).
+''';
+    List<int> times = await new BenchmarkScenario()
+        .waitAnalyze_change_getRefactoring(
+            roots: [pathAnalyzer],
+            file: '$pathAnalyzer/lib/src/context/cache.dart',
+            fileChange: new FileChange(
+                afterStr: 'getState(An', afterStrBack: 3, insertStr: 'NewName'),
+            refactoringAtStr: 'getSourcesWithFullName(String path)',
+            refactoringKind: RefactoringKind.RENAME,
+            refactoringOptions: new RenameOptions('getSourcesWithFullName2'),
+            numOfRepeats: 5);
+    printBenchmarkResults(id, description, times);
+  }
 }