Make more use of generated code in analysis server.

pkg/analysis_server/lib/src/services/refactoring/rename_class_member.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.src.refactoring.rename_class_member;
 
 import 'dart:async';
 
-import 'package:analysis_server/src/protocol2.dart' show Location, SourceEdit;
-import 'package:analysis_server/src/services/correction/change.dart';
+import 'package:analysis_server/src/protocol2.dart' show Location,
+    SourceChange, SourceEdit;
 import 'package:analysis_server/src/services/correction/status.dart';
 import 'package:analysis_server/src/services/refactoring/refactoring.dart';
 import 'package:analysis_server/src/services/search/hierarchy.dart';
 import 'package:analysis_server/src/services/search/search_engine.dart';
 import 'package:analysis_server/src/services/correction/util.dart';
 import 'package:analysis_server/src/services/refactoring/naming_conventions.dart';
 import 'package:analysis_server/src/services/refactoring/rename.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/java_core.dart';
 
@@ skipping 45 matching lines @@
         result.addStatus(validateFieldName(newName));
       }
     }
     if (element is MethodElement) {
       result.addStatus(validateMethodName(newName));
     }
     return result;
   }
 
   @override
-  Future<Change> createChange() {
-    Change change = new Change(refactoringName);
+  Future<SourceChange> createChange() {
+    SourceChange change = new SourceChange(refactoringName);
     // update declarations
     for (Element renameElement in _validator.elements) {
       if (renameElement.isSynthetic && renameElement is FieldElement) {
         addDeclarationEdit(change, renameElement.getter);
         addDeclarationEdit(change, renameElement.setter);
       } else {
         addDeclarationEdit(change, renameElement);
       }
     }
     // update references
@@ skipping 143 matching lines @@
   Future _prepareReferences() {
     return _prepareElements().then((_) {
       return Future.forEach(elements, (Element element) {
         return searchEngine.searchReferences(element).then((references) {
           this.references.addAll(references);
         });
       });
     });
   }
 }